What's the problem with this?

Question

I can't figure out why my code doesn't work in all test cases. challenge: No numerals

https://code.sololearn.com/cdo4a44XDXQT/?ref=app

Answer 1

b has no 4.

Answer 2

It's cool. We've all done something like this at some point! 👍

Answer 3

Thank you Russ
I hadn't noticed this 😂