用Python编写程序求1！+2！+……+7！

fangsiyu

冬雪雪冬

1. import math
   
2. print(sum(math.factorial(i) for i in range(1, 8)))

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lucifinilhades

1. fact = 1
   
2. fsum = fact
   
3. for n in range(2, 8):
   
4.         fact *= n
   
5.         fsum += fact
   
6. print(fsum)

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roamcat

a = 1
b = a
for n in range(2, 8):
        a = a * n
        b = b + a
print(b)

fangsiyu

冬雪雪冬 发表于 2021-12-20 17:50

谢谢啊