python run code if main
if __name__ == "__main__":
# Code inside of here will only run if the python script was launched directly
# This code will not run if imported as a modulepython run code if main
if __name__ == "__main__":
# Code inside of here will only run if the python script was launched directly
# This code will not run if imported as a modulepython 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()main function python\
print("Hello")
print("__name__ value: ", __name__)
def main():
print("python main function")
if __name__ == '__main__':
main()explained if name main python
# Suppose this is foo.py.
print("before import")
import math
print("before functionA")
def functionA():
print("Function A")
print("before functionB")
def functionB():
print("Function B {}".format(math.sqrt(100)))
print("before __name__ guard")
if __name__ == '__main__':
functionA()
functionB()
print("after __name__ guard")Copyright © 2021 Codeinu
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