diff -r 88a01948450d -r d33698326409 getting-started-files/questions.rst --- a/getting-started-files/questions.rst Wed Nov 17 23:24:57 2010 +0530 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,136 +0,0 @@ -Objective Questions -------------------- - -.. A mininum of 8 questions here. - -1. What function is used to open a file? - - Answer: ``open`` - -#. The ``open`` function returns a - - a. string - #. list - #. file object - #. function - - Answer: file object - -#. ``open`` function opens a file by default in write mode. T or F? - - Answer: False - -#. The ``read`` method reads a file and returns the contents - - a. string - #. list - #. file object - #. None of the above - - Answer: string - -#. Given a file with ``hello.txt``, which looks like - :: - - Hello, World! - - What is the value of content, at the end of this code block:: - - f = open('hello.txt') - pre_content = f.read() - content = f.read() - f.close() - - Answer: It is a null string. - -#. The following code block prints each line of ``hello.txt``:: - - f = open('hello.txt') - for line in f.read(): - print line - - True or False? - - Answer: False - -#. Given a file with ``hello.txt``, which looks like - :: - - Hello, World! - - What is the output of :: - - f = open('hello.txt') - - for line in f: - print line - - for line in f: - print line - - f.close() - - Answer: Hello, World! is printed once. - - .. The actual answer should talk about blank lines, but I'm - .. not sure if we should get into such detail. - - .. Should this be made a multiple-choice? - - .. #[[Anoop: I think it will better if we make this multiple - choice]] - -#. Given a file with ``hello.txt``, which looks like - :: - - Hello, World! - - What is the output of :: - - f = open('hello.txt') - - for line in f: - print line - - f.close() - - for line in f: - print line - - f.close() - - Answer: Hello, World! is printed twice. - -#. Given a file with ``hello.txt``, which looks like - :: - - Hello, World! - - What is the output of :: - - f = open('hello') - - for line in f: - print line - - f.close() - - for line in f: - print line - - f.close() - - Answer: IOError - No such file or directory: 'hello' - - -Larger Questions ----------------- - -.. A minimum of 2 questions here. - -1. What does ``f.read(size)`` do? - -#. Print every alternate line of a file, starting at the first line. - -#. Print the file in reverse. Starting from the last line to the - first.