# -*- coding:utf-8 -*-  
  
#关键字lambda定义的函数都是匿名函数  
#做对象  
f = lambda x,y:x+y  
print f(1,2)  
#做参  
print reduce(lambda x,y:x+y,[1,2,3,4,5,6])  
  
#做返回值  
def build(x,y):  
    return lambda:x*x+y*y  
  
g = build(1,2)  
print g  
print g()