What does | do in Python

Question

I saw a question in a challenge that asked something about a | 0: and I didn't know what that | meant, plz help

Answer 1

It is a bitwise OR operator.
https://www.sololearn.com/learn/4073/?ref=app
https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2280/?ref=app