Python delete in a string

Question

I have these 3 strings:

YELLOW,SMALL,STRETCH,ADULT,T21fdsfdsfs
YELLOW,SMALL,STRETCH,ADULT,Tdsfs
YELLOW,SMALL,STRETCH,ADULT,TD

Answer 1

You can't. Create a new string with the pieces you want to keep.

','.join(s.split(',')[:4])