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Python needs an actual default function
(lemmy.ml)
Also, do y'all call main() in the if block or do you just put the code you want to run in the if block?
It's a common practice but not required. Python behaves like JS where it just runs whatever you wrote. If you don't want it to run when importing the file you can put the main() inside the if so it only runs when you run the actual file.
You can use it when developing a function or a class to run a simple test without running the whole program.