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+Objective Questions
+-------------------
+
+ 1. How do you split the string "Guido;Rossum;Python" to get the words
+
+   Answer: line.split(';')
+
+ 2. line.split() and line.split(' ') are same
+
+   a. True
+   #. False
+
+   Answer: False
+
+ 3. What is the output of the following code::
+
+      line = "Hello;;;World;;"
+      sub_strs = line.split()
+      print len(sub_strs)
+
+    Answer: 5
+
+ 4. What is the output of "      Hello    World    ".strip()
+
+   a. "Hello World"
+   #. "Hello     World"
+   #. "      Hello World"
+   #. "Hello World     "
+   
+   Answer: "Hello    World"
+
+ 5. What does "It is a cold night".strip("It") produce
+    Hint: Read the documentation of strip
+
+   a. "is a cold night"
+   #. " is a cold nigh" 
+   #. "It is a cold nigh"
+   #. "is a cold nigh"
+
+   Answer: " is a cold nigh"
+
+ 6. What does int("20") produce
+
+   a. "20"
+   #. 20.0
+   #. 20
+   #. Error
+
+   Answer: 20
+
+ 7. What does int("20.0") produce
+
+   a. 20
+   #. 20.0
+   #. Error
+   #. "20"
+
+   Answer: Error
+
+ 8. What is the value of float(3/2)
+
+   a. 1.0
+   #. 1.5
+   #. 1
+   #. Error
+
+   Answer: 1.0
+
+ 9. what doess float("3/2") produce
+
+   a. 1.0
+   #. 1.5
+   #. 1
+   #. Error
+
+   Answer: Error
+   
+ 10. See if there is a function available in pylab to calculate the mean
+     Hint: Use tab completion
+
+Larger Questions
+================
+
+ 1. The file ``pos.txt`` contains two columns of data. The first and second
+    columns are the x and y co-ordiantes of a particle in motion, respectively.
+    Plot the trajectory of the particle.
+
+   Answer::
+
+     x_values = []
+     y_values = []
+
+     for line in open("/home/fossee/pos.txt");
+         x_str, y_str = line.split()
+         x = int(x_str)
+         y = int(y_str)
+
+         x_values.append(x)
+         y_values.append(y)
+
+         plot(x, y, 'b.')
+