Python: Возврат из циклов

from index import is_contains_char


def test_is_contains_char():
    assert is_contains_char("Hexlet", "H") is True
    assert is_contains_char("Hexlet", "h") is False
    assert is_contains_char("Awesomeness", "m") is True
    assert is_contains_char("Awesomeness", "d") is False
    assert is_contains_char("Awesomeness", "o") is True