# define a function to write hello world # python does not have scope delimiters to indicate where code belongs # -- use indentation to do this def main(): print "hello world!" # this alone won't do anything. need to call the main() function # if this module (file of py code) is loaded and interpreter assigned __name__ property the # value of __main__. means py program is executed as a main program! so can be called from # command line # distinguishes between when a python code is being executed as part of a library or as # a program. when it's a program, this will get called. if __name__ == "__main__": main() print "me too"
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