python iff main code example
Example 1: python if __main__
#Add this code to run a support module on its own.
#Great for running quick tests.
if __name__ == "__main__":
function_that_starts_the_module_to_run_on_its_own()
#or
test_function_included_in_module()
Example 2: python if name == main example
# It's as if the interpreter inserts this at the top
# of your module when run as the main program.
__name__ = "__main__"