I am trying make this code... I try change input to (4) and the answer i got is 64 but .... Its error [SOLVED]

Question

https://code.sololearn.com/cI8lR5m8u0Jd/?ref=app

Answer 1

num=int(input())

Answer 2

Thanks simba help me fix my mistake

Answer 3

Anyone got tips in using of input