def test_is_empty_not_empty_list(): """Test for not empty list.""" assert is_empty(["not empty"]) == False
def test_is_empty_empty_list(): """Test for empty list.""" assert is_empty([])
def test_is_empty_not_null_string(): """Test for non-null string.""" assert is_empty("not empty") == False
def test_is_empty_null_string(): """Test for null string.""" assert is_empty("")