If list index exists, do X

Question

In my program, user inputs number n, and then inputs n number of strings, which get stored in a list.

I need to code such that if a certain

Answer 1

If you want to iterate the inserted actors data:

for i in range(n):
    if len(nams[i]) > 3:
        do_something
    if len(nams[i]) > 4:
        do_something_else