assert long(123) == long('123') == 123L == 123 a = long(2) assert a ** 0 == 1 assert a ** 60 == 1152921504606846976 assert a + 1 == 3 assert a - 1 == 1 assert a * 2 == 4 assert a // 2 == 1 assert -a == -2 assert 1 + a == 3L assert 1 - a == -1L assert 2 * a == 4L