#!/usr/bin/python
# -*- coding:UTF-8 -*-
def sum(options,x,y):
t = options
if(t == "+"):
print "x+y=",x+y
elif(t == "-"):
print "x-y=",x-y
elif(t == "*"):
print "x*y=",x*y
else:
print "x/y=",x/y
def main():
options = raw_input("Please enter a method:")
x = input("Enter a Num:")
y = input("Enter another Num:")
sum(options,x,y)
if __name__ == '__main__':
main()
本文转sinojelly51CTO博客,原文链接:http://blog.51cto.com/pnig0s1992/358026,如需转载请自行联系原作者