2021-04-03

python基础题目100例之二十五

1. 求1+2!+3!+…+20!的和。

def jiecheng(num):
    mul =1
    while num !=1:
       mul*= num
       num-=1
    return mul

sum=0
for i in range(1,21):
    sum += jiecheng(i)
print(sum)

标签：03,21,04,sum,num,2021,mul,jiecheng
来源： https://blog.csdn.net/huzhenglomg/article/details/115421059