Putting the main program in a main function

ast nomail at invalid.com
Mon Sep 14 09:13:47 CEST 2015


I saw here http://inventwithpython.com/pygame/chapter3.html
a program where the main program is put in a function.

So the structure is:

def main():
   main code here

def f1():
    function 1 code

def f2():
   function 2 code


if __name__ == '__main__':

The author says that with this structure there are no
global variables (except when using "global' keyword)
and that the program can be loaded as a module without
be ran to test the function in the python shell.

is it advised to always write programs like that ?


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