python

Extract string Complete the function body below so the return statement executes correctly according to the docstring description and examples. i det extract(s: str, start: int, stop: int) -> str: **"Return the substring of s from index start (inclusive) to index stop (exclusive). Precondition: 0 >> extract( 'birthday', 1, 4) Pirt >>> extract('toronto', 2, 5) ron 9 10 11 12 Complete swap function Complete the function body below so the return statement executes correctly according to the docstring description and examples. i He: swap_ends (message: str) -> stri ***Return a new string that is message with the first and last 3 characters swapped. Precondition: len(message) >= 2 6 7 >>> swap_ends('cat') 'tac >>> swap_ends('breakfast for dinner!') Ireakfast for dinnerb' 12 return last_char + middle + first_char