python main
def main():
print("Hello World!")
if __name__ == "__main__":
main()python main
def main():
print("Hello World!")
if __name__ == "__main__":
main()__name__== __main__ in python
# If the python interpreter is running that module (the source file)
# as the main program, it sets the special __name__ variable to have
# a value “__main__”. If this file is being imported from another
# module, __name__ will be set to the module’s name.
if __name__=='__main__':
# do somethingpython main
if __name__ == "__main__":
# execute only if run as a script
main()if __name__ == '__main__': main()
print("before import")
def functionA():
print("Function A")
def functionB():
print(("Function B"))
print("before __name__")
if __name__ == '__main__':
functionA()
functionB()
print("after __name__")
#===Output===
#before import
#before __name__ guard
#Function A
#Function B
#after __name__ guardCopyright © 2021 Codeinu
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