Python算术运算符

#!/usr/bin/python3

a = 21

b = 10

c = 0

c = a + b

print ("1 - c 的值为：", c)

c = a - b

print ("2 - c 的值为：", c)

c = a * b

print ("3 - c 的值为：", c)

c = a / b

print ("4 - c 的值为：", c)

c = a % b

print ("5 - c 的值为：", c)

# 修改变量 a 、b 、c

a = 2

b = 3

c = a**b

print ("6 - c 的值为：", c)

a = 10

b = 5

c = a//b

print ("7 - c 的值为：", c)