op

Question

For what there is the "1" in the 6 line after bracket of function sum?
https://code.sololearn.com/c3CLZ3Jlq4Ls/?ref=app

Answer 1

It is returning 1 if any item in list satisfies the conditions

Answer 2

O thank you

Answer 3

does it add 1 to the variable k?

Answer 4

Yes