def test_multi(): assert myeval("15*5") == 75
def test_only_number(): assert myeval("1") == 1 assert myeval("2") == 2
def test_bitwise_and(): assert myeval("15&5") == 5
def test_bitwise_or(): assert myeval("15|5") == 15
def test_add(): assert myeval("15+5") == 20