a = 0 a += 2 assert a == 2 a -= 1 assert a == 1 a *= 2 assert a == 2 a //= 2 assert a == 1 a |= 0xff assert a == 0xff a &= 0x0f assert a == 0x0f a = 8 a %= 3 assert a == 2 a ^= 0xf0 assert a == 242
