when i test, all of the tests have passed, but when i attempt have a error about timed out of execution. Can anybody help me please. ps: the language is javascript.

Segementation Fault, post your code here so that we can help you out (if not fixed yet)

we have better ways to do it in python

That is the thing, we have to consider all the cornercases. As, programmers we must be prepared how users are going to use the software.