def test_contains_doesnt_match_sub_words():
msg = "racecar"
assert_false(contains(msg, "race"))
def test_contains_detects_word_in_beginning():
msg = "hello everyone, how is it going?"
assert_true(contains(msg, "hello"))
def test_contains_detects_multiple_words():
msg = "hello everyone, how is it going?"
assert_true(contains(msg, "how is it"))
def test_contains_detects_word_with_punctuation():
msg = "hello everyone, how is it going?"
assert_true(contains(msg, "everyone"))
def test_contains_detects_word_in_middle():
msg = "hello everyone, how is it going?"
assert_true(contains(msg, "how"))
