Function don’t work !

Question

Hello! I have a problem, when I do not make a function from the code, everything works, but I’m doing it, it gives an error. How can I fix this?

https://code.sololearn.com/cYrkKae5e6db/?ref=app

Answer 1

This is a fixed version. Pay attention to the indentation of the lines following 'def' and also following 'if'.
By convention, each new indent should be 4 whitespaces.
https://code.sololearn.com/cRb10GFpVQia/?ref=app

Answer 2

You must indent after defining a function (tab button or 4 spaces from keyboard)