getting_started_with_strings/questions.rst
author Puneeth Chaganti <punchagan@fossee.in>
Wed, 01 Dec 2010 16:51:35 +0530
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Objective Questions
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.. A mininum of 8 questions here (along with answers)
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1. List the type of quotes that can be used to define strings. 
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   Answer: 'single quotes', "double quotes", 
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           '''triple single quotes'''
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           """triple double quotes"""
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#. Given the strings ``s`` and ``S``, ``s='Hello World'`` and
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   ``S="Hello World``. s and S are different strings. True or False?
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#. What is the output of::
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     s = 'It's all here'
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   Answer: ``SyntaxError``
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#. Write code to assign s, the string ``' is called the apostrophe``
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   Answer: ``s = "`is called the apostrophe"``
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#. Given strings s and t, ``s = "Hello"`` and ``t = "World"``. What is
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   the output of s + t?
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   Answer: HelloWorld
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#. Given strings s and t, ``s = "Hello"`` and ``t = "World"`` and an
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   integer r, ``r = 2``. What is the output of s * r + s * t?
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   Answer: HelloHelloWorldWorld
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#. Given strings s and t, ``s = "Hello"`` and ``t = "World"`` and an
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   integer r, ``r = 2``. What is the output of s * 'r' ? 
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   Answer: TypeError - can't multiply a sequence by non-int
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#. Given the string ``s = "Hello"``, we wish to change it to
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   ``hello``. what is the result of::
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     s[0] = 'h'
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   Answer: TypeError - 'str' object does not support item assignment. 
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#. Given the string ``s = "Hello"``, we wish to change it to
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   ``hello``. what is the result of::
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     s = "hello"
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   Answer: s is changed to "hello"
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#. Which type of string can be written in multiple lines, with line
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   breaks. (Note: more than one answer may be correct.)
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   #. triple double quoted strings
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   #. single quoted strings
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   #. double quoted strings
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   #. triple single quoted strings
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   Answer: triple double quoted strings and triple single quoted strings
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Larger Questions
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----------------
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.. A minimum of 2 questions here (along with answers)
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1. Given the string s, ``s = F.R.I.E.N.D.S``, obtain the string
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   "FRIENDS". 
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   Answer::
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     s = s[0] + s[2] + s[4] + s[6] + s[8] + s[10] + s[12] 
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2. Assign the string ``Today's Quote: "Don't believe in any quote,
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   including this."`` to the variable ``quote``. 
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   Answer: 
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   quote = """Today's Quote: "Don't believe in any quote, including this."""