advanced-features-functions/questions.rst
author Nishanth <nishanth@fossee.in>
Sun, 10 Oct 2010 16:00:59 +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. All arguments of a function cannot have default values. True or
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   False? 
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   Answer: False
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#. When calling a function, the arguments 
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   1. should always be in the order in which they are defined.
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   #. can be in any order
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   #. only keyword arguments can be in any order, but should be called
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      at the beginning.
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   #. only keyword arguments can be in any order, but should be called
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      at the end.
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   Answer: only keyword arguments can be in any order, but should be called
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           at the end.
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#. Given the following function, identify the keywords with default
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   values. 
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   ::
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     def seperator(char, count=40, show=False):
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         if show:
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             print char * count
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         return char * count
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   Answer: ``count``, ``show``
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#. Given the following function, 
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   ::
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     def seperator(char, count=40, show=False):
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         if show:
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             print char * count
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         return char * count
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   What is the output of ``separator("+", 1, True)``.
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   Answer: ``+`` is printed and returned. 
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#. Given the following function, 
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   ::
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     def seperator(char, count=40, show=False):
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         if show:
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             print char * count
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         return char * count
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   What is the output of ``separator("+", True, 1)``.
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   Answer: ``+`` is printed and returned. 
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#. Given the following function, 
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   ::
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     def seperator(char, count=40, show=False):
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         if show:
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             print char * count
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         return char * count
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   What is the output of ``separator("+", show=True, 1)``.
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   Answer: SyntaxError
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#. The following is a valid function definition. True or False? Why?
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   ::
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     def seperator(count=40, char, show=False):
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         if show:
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             print char * count
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         return char * count
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   Answer: False. All parameters with default arguments should be
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   defined at the end. 
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#. Which of the following cannot be used as default values for
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   arguments? 
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   a. floats
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   #. lists
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   #. functions
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   #. booleans
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   #. None of the Above
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   Answer: None of the above. 
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Larger Questions
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----------------
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1. 
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2.