Can anyone please tell me what is wrong with this code?

Question

Python
https://code.sololearn.com/cz21hb53DdFg/?ref=app

Answer 1

in python 3 , leading 0's are not allowed .... so 0001 is not allowed

Answer 2

https://code.sololearn.com/cng9R0RfWAxR/?ref=app

Answer 3

I think you can't import 3rd party libraries as they are not there in server. As far as I know you need to tell to Sololearn administrator to add it.
I tried pip but there was memory error.

Answer 4

okay, thanks Naman Madan