# 关于计算的Demo
print(10 + 2)
print(3 - 8)
print(42 / 3)
print(23 * 2)
print(6 > 3)
print(6 < 2)
print(6 >= 6)
print(6 <= 10)
print(6 != 3)
print(4 ** 2)
print(5 log 2)
print(6 sqrt 3)
print(-8)
print(True && False)
print(True || False)
print(!True)
print(22 % 3)
print(22 // 3)
print(48 & 32)
print(23 | 21)
print(22 ^ 32)
print(~98)
print(32<<2)
print(34>>3)
print(True ==> False)
print(True <== False)