question_bank.xml
author nishanth
Thu, 01 Jul 2010 17:05:57 +0530
changeset 86 404e9c1b8cff
parent 59 0b57494e8b4e
child 89 f8e25dea5222
permissions -rw-r--r--
now questions are displayed properly in edit_question page. hav to implement the submit and stuff
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<questionbank>
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<question>
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<topic>Plotting</topic>
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<description>
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Describe the plot produced by the following code
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</description>
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<time_limit>
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</time_limit>
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<code>
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In []: x = linspace(0, 2*pi, 50)
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In []: plot(x, cos(x), 'go')
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</code>
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<expected_answer>
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Correct this question manually
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</expected_answer>
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</question>
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<question>
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<topic>Plotting</topic>
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<description>
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What ipython magic command do you use to obtain the lines of code you have already typed in the interpreter? What command do you use to save them?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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\%hist \%save
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</expected_answer>
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</question>
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<question>
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<topic>Plotting</topic>
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<description>
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How do you set the x and y labels of a plot to "x" and "sin(x)" ?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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xlabel \( \" x \" \) ylabel \( \"sin\(x\)\" \)
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xlabel \( \" x \" \) ylabel \( \'sin\(x\)\' \)
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xlabel \( \' x \' \) ylabel \( \"sin\(x\)\" \)
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xlabel \( \' x \' \) ylabel \( \'sin\(x\)\' \)
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</expected_answer>
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</question>
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<question>
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<topic>Plotting</topic>
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<description>
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How will you set the x and y axis limits so that the region of interest is in the rectangle (0, -1.5) and (2 pi, 1.5)?
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</description>
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<time_limit>
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90
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</time_limit>
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<expected_answer>
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xlim \( 0 , 2 \* pi \) [;,\n+] ylim \( -1\.5 , 1\.5 \)
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</expected_answer>
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</question>
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<question>
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<topic>Lists and Files</topic>
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<description>
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How do you combine two lists a and b to produce one list?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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a \+ b
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</expected_answer>
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</question>
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<question>
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<topic>Lists and Files</topic>
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<description>
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If a = [1, 2, 5, 9] how do you add 10 to the end of this list ?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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a\.append \( 10 \)
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a = a \+ \[ 10 \]
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a \+= \[ 10 \]
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</expected_answer>
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</question>
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<question>
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<topic>Lists and Files</topic>
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<description>
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Write the code to read a file "data.txt" and print each line of it?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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correct this manually
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</expected_answer>
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</question>
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<question>
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<topic>For Loops</topic>
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<description>
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The following code snippet has an error/bug.
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What is the error?
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</description>
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<code>
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In []: l = [0.1, 0.2, 0.3, 0.4]
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In []: t = [0.69, 0.90, 1.19, 1.30]
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In []: tsq = []
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In []: for time in t:
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 ....:     tsq.append(time*time)
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 ....:     plot(l, tsq)
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</code>
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<time_limit>
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</time_limit>
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<expected_answer>
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plot
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</expected_answer>
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</question>
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<question>
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<topic>Strings</topic>
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<description>
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"Rossum, Guido, 42, 56, 34, 54" is a sample line from a Comma Separated Values (CSV) file
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What code would you use to separate the line into fields?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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\.split \( " , " \)
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\.split \( ' , ' \)
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</expected_answer>
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</question>
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<question>
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<topic>Lists and Files</topic>
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<description>
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If a = [1, 2, 5, 9] how do you find the length of this list?
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</description>
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<time_limit>
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</time_limit>
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<expected_answer>
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len \( a \)
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</expected_answer>
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</question>
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<question>
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<topic>Dictionaries and Piecharts</topic>
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<description>
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What is the output of the following code snippet
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</description>
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<code>
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In [1]: d = {'a': 1,
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             'b': 2
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            }
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In [2]: print d['c']
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</code>
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<time_limit>
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</time_limit>
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<expected_answer>
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error
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Error
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ERROR
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</expected_answer>
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</question>
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<question>
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<topic>Dictionaries and Piecharts</topic>
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<description>
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Given the below dictionary, what command will you give to plot a pie-chart?
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</description>
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<code>
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In []: sc = {'A': 10, 'B': 20, 'C': 70}
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</code>
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<time_limit>
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</time_limit>
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<expected_answer>
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pie \( sc\.values \( \) \)
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pie \( sc\.values \( \) , labels = sc\.keys \( \) \)
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</expected_answer>
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</question>
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<question>
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<topic>Statistics</topic>
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<description>
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Given the below marks, how will you calculate the mean?
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</description>
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<code>
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In []: marks = [10, 20, 30, 50, 55, 75, 83] 
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</code>
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<time_limit>
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30
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</time_limit>
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<expected_answer>
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mean \( marks \)
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sum \( marks \) \/ len \( marks \)
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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How will you convert the list marks to an array?
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</description>
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<code>
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In []: marks = [10, 20, 30, 50, 55, 75, 83]
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</code>
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<time_limit>
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30
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</time_limit>
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<expected_answer>
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array \( marks \)
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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What is the value of a after executing this code.
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</description>
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<code>
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In []: a = array([[1, 2],
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                  [3, 4]])
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In []: a[1,0] = 0
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</code>
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<time_limit>
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60
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</time_limit>
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<expected_answer>
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\[ \[ 1 , 2 \] , \[ 0 , 4 \] \]
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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What will be printed?
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</description>
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<code>
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In []: x = array(([1,2,3,4],
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                  [2,3,4,5]))
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In []: x[-2][-3] = 4
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In []: print x
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</code>
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<time_limit>
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90
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</time_limit>
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<expected_answer>
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array \( \( \[ 4 , 2 , 3 , 4 \] , \[ 2 , 3 , 4 , 5 \] \) \)
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array \( \[ \[ 4 , 2 , 3 , 4 \] , \[ 2 , 3 , 4 , 5 \] \] \)
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\[ \[ 4 , 2 , 3 , 4 \] , \[ 2 , 3 , 4 , 5 \] \]
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\( \[ 4 , 2 , 3 , 4 \] , \[ 2 , 3 , 4 , 5 \] \)
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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If x = array([[1,2,3,4]]) How to change x to array([[1,2,0,4]]) ?
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</description>
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<time_limit>
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60
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</time_limit>
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<expected_answer>
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x\[ 0 \]\[ 2 \] = 0
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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x = array([[1,2,3,4],
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           [3,4,2,5]])
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How do you get the following slice of x ?
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array([[2,3],
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      [4,2]])
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</description>
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<time_limit>
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60
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</time_limit>
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<expected_answer>
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x\[ \: , 1 \: 3 \]
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x\[ \: , 1 \: -1 \]
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x\[ \: , -3 \: -1 \]
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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What is the output of x[::3,::3]
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</description>
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<code>
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In []: x = array([[9,18,27],
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                  [30,60,90],
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                  [14,7,1]])
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</code>
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<time_limit>
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30
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</time_limit>
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<expected_answer>
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9
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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How do you get the transpose of this array?
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</description>
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<code>
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In []: a = array([[1, 2],
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                  [3, 4]])
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</code>
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<time_limit>
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30
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</time_limit>
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<expected_answer>
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a\.T
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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What does this produce?
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</description>
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<code>
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In []: a = array([[1, 2],
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                  [3, 4]])
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In []: b = array([[1, 1],
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                  [2, 2]])
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In []: a*b
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</code>
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<time_limit>
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45
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</time_limit>
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<expected_answer>
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array \( \[ \[ 1 , 2 \] , \[ 6 , 8 \] \] \)
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\[ \[ 1 , 2 \] , \[ 6 , 8 \] \]
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</expected_answer>
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</question>
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<question>
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<topic>Arrays and Matrices</topic>
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<description>
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What command do you use to find the inverse of a matrix and its eigenvalues?
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</description>
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<time_limit>
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30
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</time_limit>
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<expected_answer>
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inv .* eigvals
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</expected_answer>
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</question>
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<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   370
<topic>Solving linear equations</topic>
47
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   371
<description>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   372
Given a 4x4 matrix A and a 4-vector b , what command do you use to solve for the equation Ax = b ?
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   373
</description>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   374
<time_limit>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   375
45
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   376
</time_limit>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   377
<expected_answer>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   378
solve \( A , b \)
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   379
</expected_answer>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   380
</question>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   381
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   382
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   383
<topic>Finding roots</topic>
47
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   384
<description>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   385
How do you calculate the roots of the polynomial, y = 1 + 6*x + 8*x^2 + x^3 
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   386
</description>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   387
<time_limit>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   388
45
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   389
</time_limit>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   390
<expected_answer>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   391
roots \( \[ 1 , 8 , 6 , 1 \] \)
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   392
</expected_answer>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   393
</question>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   394
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   395
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   396
<topic>Solving linear equations</topic>
47
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   397
<description>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   398
Two arrays a and b are numerically almost equal, what command do you use to check if this is true?
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   399
</description>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   400
<time_limit>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   401
30
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   402
</time_limit>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   403
<expected_answer>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   404
allclose \( a , b \)
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   405
allclose \( b , a \)
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   406
</expected_answer>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   407
</question>
8a837762531b added all the day1 quiz2 questions
nishanth
parents: 46
diff changeset
   408
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   409
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   410
<topic>Basic Datatypes</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   411
<description>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   412
What is the largest integer value that can be represented by Python?
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   413
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   414
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   415
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   416
</time_limit>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   417
<options>
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   418
No Limit
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   419
2**32
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   420
2**32 - 1
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   421
None of the above
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   422
</options>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   423
<expected_answer>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   424
No Limit
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   425
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   426
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   427
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   428
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   429
<topic>Basic Datatypes</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   430
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   431
What is the result of 17.0 / 2?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   432
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   433
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   434
15
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   435
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   436
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   437
8.5
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   438
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   439
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   440
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   441
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   442
<topic>Basic Datatypes</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   443
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   444
Which of the following is not a type in Python?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   445
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   446
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   447
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   448
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   449
<options>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   450
int
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   451
float
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   452
char
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   453
string
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   454
</options>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   455
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   456
char
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   457
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   458
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   459
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   460
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   461
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   462
<topic>Basic Datatypes</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   463
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   464
How do you create a complex number with real part 2 and imaginary part 0.5 ?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   465
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   466
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   467
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   468
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   469
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   470
2 \+ 0\.5j
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   471
complex \( 2 , 0\.5 \)
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   472
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   473
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   474
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   475
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   476
<topic>Input and Output</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   477
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   478
What is the difference between print x and print x,
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   479
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   480
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   481
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   482
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   483
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   484
correct manually
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   485
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   486
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   487
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   488
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   489
<topic>Input and Output</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   490
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   491
What does 't' * 40 produce?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   492
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   493
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   494
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   495
</time_limit>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   496
<options>
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   497
40
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   498
tttttttttttttttttttttttttttttttttttttttt
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   499
t40
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   500
Error
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   501
</options>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   502
<expected_answer>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   503
tttttttttttttttttttttttttttttttttttttttt
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   504
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   505
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   506
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   507
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   508
<topic>Basic Datatypes</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   509
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   510
What is the output?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   511
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   512
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   513
In []: ', '.join(['a', 'b', 'c'])
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   514
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   515
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   516
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   517
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   518
<expected_answer>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   519
"a, b, c"
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   520
'a, b, c'
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   521
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   522
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   523
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   524
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   525
<topic>Basic Datatypes</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   526
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   527
What is the output?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   528
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   529
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   530
In []: 47 % 3 
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   531
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   532
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   533
45
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   534
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   535
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   536
2
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   537
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   538
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   539
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   540
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   541
<topic>Lists and Tuples</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   542
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   543
How do you find the presence of an element x in the list a
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   544
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   545
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   546
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   547
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   548
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   549
x in a
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   550
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   551
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   552
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   553
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   554
<topic>Sets</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   555
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   556
What is the output
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   557
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   558
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   559
In []: set([1, 2, 8, 2, 13, 8, 9])
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   560
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   561
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   562
45
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   563
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   564
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   565
set \( \[ 1 , 2 , 8 , 13 , 9 \] \)
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   566
\[ 1 , 2 , 8 , 13 , 9 \]
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   567
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   568
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   569
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   570
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   571
<topic>Dictionaries</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   572
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   573
What is the output
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   574
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   575
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   576
In []: a = {'a': 1, 'b': 2} 
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   577
In []: a['a'] = 10
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   578
In []: print a
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   579
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   580
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   581
60
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   582
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   583
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   584
\{ \'a\' \: 10 , \'b\' \: 2 \}
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   585
\{ \'a\' \: 10 , \"b\" \: 2 \}
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   586
\{ \"a\" \: 10 , \"b\" \: 2 \}
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   587
\{ \"a\" \: 10 , \'b\' \: 2 \}
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   588
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   589
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   590
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   591
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   592
<topic>Lists and Tuples</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   593
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   594
What is the value of a after executing this code.
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   595
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   596
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   597
In []: a = [1, 2, 3] 
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   598
In []: a.extend([5, 6])
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   599
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   600
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   601
45
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   602
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   603
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   604
\[ 1 , 2 , 3 , 5 , 6 \]
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   605
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   606
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   607
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   608
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   609
<topic>Lists and Tuples</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   610
<description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   611
What is the output?
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   612
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   613
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   614
In []: a = (1, 2, 3)
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   615
In []: a[1] = 10
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   616
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   617
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   618
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   619
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   620
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   621
error
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   622
Error
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   623
ERROR
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   624
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   625
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   626
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   627
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   628
<topic>Functions</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   629
<description>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   630
What is the value of func(1), if
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   631
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   632
<code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   633
def func(x, y=10):
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   634
    print x+1, y+10
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   635
</code>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   636
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   637
60
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   638
</time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   639
<expected_answer>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   640
2 20
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   641
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   642
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   643
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   644
<question>
59
0b57494e8b4e added the field topic to each question in xml file
nishanth
parents: 58
diff changeset
   645
<topic>Functions</topic>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   646
<description>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   647
How many items can a function return ?
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   648
</description>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   649
<time_limit>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   650
30
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   651
</time_limit>
50
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   652
<options>
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   653
One
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   654
Multiple
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   655
Two
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   656
None
0842b3439c3e implemented extra filter on string patterns. now string patterns will not be split like other pattersns
nishanth
parents: 49
diff changeset
   657
</options>
49
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   658
<expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   659
Multiple
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   660
</expected_answer>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   661
</question>
3643f59f141e added questions from day2 quiz1
nishanth
parents: 47
diff changeset
   662
28
456b7b9e3d13 created a question bank xml file and created a seed_que command for adding questions to db from xml
nishanth
parents:
diff changeset
   663
</questionbank>