急求，谁知道到哪有卖荷兰猪的啊

网上有卖的

#!/usr/bin/python
#coding:utf-8
from __future__ import division
def jia(x,y):
return x+y
def jian(x,y):
return x-y
def cheng(x,y):
return x*y
def chu(x,y):
return x/y
operator={"+":jia,"-":jian,"*":cheng,"/":chu}
def f(x,o,y):
print operator.get(o)(x,y)
f(3,"+",2)
print operator["/"](3,2)
"3.py" 17L, 316C 15,1 全部

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