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This article explains how Python's __name__ variable works, why the if __name__ == '__main__' construct is used to differentiate direct script execution from module import, and shows practical examples including simple scripts and multiprocessing scenarios.
This article explains how the if __name__ == '__main__' construct distinguishes between running a Python file as a script versus importing it as a module, prevents unintended execution, and provides practical examples for testing, main logic, and avoiding side effects.
The article explains that unlike compiled languages which need a mandatory main entry point, Python as an interpreted scripting language has no required main function, clarifies common misconceptions about using if __name__ == '__main__', and recommends using a main.py entry script for clean, idiomatic code.