function definition function

Defining functions
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An example
Example 7.1 Defining a function

# !/usr/bin/python # Filename:function1.py def SayHello ():     Print ' Hello World ' SayHello ()

How it works
We use the syntax explained above to define a function called SayHello. This function does not use any parameters, so no variables are declared in parentheses. Parameters for a function, just the input to the function, so that we can pass different values to the function, and then get the corresponding result.

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function definition function