Putting the main program in a main function

Hi 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__': main() The author says

Re: Putting the main program in a main function

On Mon, 14 Sep 2015 09:13:47 +0200, ast wrote: > is it advised to always write programs like that ? If global (module-scope) variables are initialised by main, then those variables won't exist unless main() is run, which means that you can't use it as a module, only as a script. IMHO, global

Re: Putting the main program in a main function

"ast" writes: > 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