please give me exactly the return fxn body and what i code.

Complete the function body below so the return statement executes correctly according to the docstring description and examples. 1 def extract(s: str, start: int, stop: int) -> str: 2 *****Return the substring of s from index start (inclusive) to index 3 stop (exclusive) 4 Precondition: 0 >> extract('birthday', 1, 4) 'irt' >>> extract('toronto', 2, 5) ron' I 9 18 11 12