Why the output of this code is error ??

Question

https://code.sololearn.com/c1MbH5RQ830b/?ref=app

Answer 1

You need to convert num to str to concatenate it with string.

Or you can do string format with:
f"{num} is an odd/even number"

Answer 2

Thanks CarrieForle ...
I'm forget...😅

Answer 3

You must convert the num into a sring agian before concatenation