that's odd

Question

I'm having trouble completing this challenge even though it seems easy on the surface.Anyone mind telling me why this doesn't work?
https://code.sololearn.com/cMulBQevC00J/?ref=app

Answer 1

In sum=+num; it shloud be += //not =+ As Nodt

Answer 2

Ooh,didn't notice we had length of the list as well,my bad.Ty for answer! 🎃#H P 22™🎃

Answer 3

Jayakrishna🇮🇳 oops I'm dumb haha,thanks