The __name__ == '__main__' Guard

Snippet

The name == 'main' Guard

This idiom ensures that code inside the block only runs if the script is executed directly, and not when imported as a module.

snippet.py
python
def main():
    print("Hello World")
 
if __name__ == "__main__":
    main()

Breakdown

if __name__ == "__main__":

Checks if this specific file is the entry point of the program.

From your library