编程实现：a[0]*b[0] + a[1]*b[1] +...+a[i]*b[j]
>>> a=[1,2,3,4,5]>>> b=[6,7,8,9,0]
>>> from functools import reduce>>> from operator import add,mul>>> reduce(add,map(mul,a,b))80
0004python中的map和reduce
原文：http://www.cnblogs.com/zftylj/p/python0004.html
