· What does this do, and why should one include the if statement? if __name__ == "__main__": print ("Hello, World!") If you are trying to close a question where someone should be · It is common to change main branches from the old pattern master to main. This can be easily done remotely (GitHub offers a graphical way to do it), but... what should be done with working … The Python approach to "main" is almost unique to the language (*). The semantics are a bit subtle. The __name__ identifier is bound to the name of any module as it's being imported. However, when a file is … This question is not an exact duplicate of the What should main () return in C and C++?. However, everything that it asks is already answered over there in greater detail and in greater quality, which … · Running main with argc = 4, last = '3' Running main with argc = 3, last = '2' Running main with argc = 2, last = '1' Running main with argc = 1, last = 'testprog' However, since that's only … · Also worth noting that having a main() function makes it possible to run that code with: import module; module.main(). If the code were just in the if block, it couldn't be run from elsewhere. · That is the second time recently that this four-year-old answer has been downvoted. It would be nice if downvoters made a comment explaining what problems they perceive and (if …
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