from functools import reduce
from operator import mul
def fact(n):
#使用reduce和operator.mul函数计算阶乘
return reduce(mul, range(1, n+1))
#使用reduce函数和一个匿名函数计算阶乘
# return reduce(lambda a, b:a*b, range(1,n+1))
标签：return,函数,reduce,operator,阶乘,mul From： https://www.cnblogs.com/bravesunforever/p/17338185.html