源代码：
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#!/usr/bin/python # -*- coding: UTF-8 -*- 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
运行结果