Question

python编程求1!+2!+…+n

Answer 1

应该是   python编程求1!+2!+…+n！   吧

比如输入 10

1 1

2 2

3 6

4 24

5 120

6 720

7 5040

8 40320

9 362880

10 3628800

4037913

Answer 2

import math
n = 3

value = 0

i = 1
while i<=n:

# 累加阶乘
value = value + math.factorial(i)
i = i + 1
print(value)