What can I do to make it callable?

Question

https://code.sololearn.com/cr5OXU2cZyMN/?ref=app

Answer 1

It's not a function so no need braces..

for l in string : # removed ()

Answer 2

Remove the parentheses after 'string' in the for loop header. Like this:

for l in string:

Also a friendly tip - avoid using the lowercase letter 'l' as a variable name. It's easily confused for a capital I or the number 1.

Answer 3

Oh thank you so much for figuring this out) ☺️

Answer 4

Thanks!