Can anyone explain why this nested list behaving weird?

Question

Even when I insert something at a specific location it inserts it inside every other list at the same location.
I think it's something got to do with multiplication operator (*).

https://code.sololearn.com/cuNb0hNAdMl0/?ref=app

Answer 1

https://stackoverflow.com/questions/240178/list-of-lists-changes-reflected-across-sublists-unexpectedly

Answer 2

I thing nested if and else if methods are logically same . In nested if we use enter button ,😁😁

Answer 3

Am I correct?

Answer 4

Shameer KM Please ask your question in a separate post.