Needed help why the code in Python did not pass. Same code worked for C++ thing.

Problem: https://mirror.codeforces.com/contest/2070/problem/C

C++ Submission after contest: https://mirror.codeforces.com/contest/2070/submission/308176980

Python Submission within contest: https://mirror.codeforces.com/contest/2070/submission/308170127

Followup: Should I switch to C++ language.