Help with string.lower ..what does it return

Question

import string
recive a char...here 'a',ie ch='al

string.find(string.lower,ch)!=-1

Answer 1

It returns the lower case string. For instance:

>>> 'ABCgdefXYZ'.lower()
'abcgdefxyz'

The code you posted checks if the string contains ch.

Answer 2

important