计算s=1!+2!+3!+4!+…+10! 要求求某数的阶乘用函数求python
时间: 2023-05-18 19:04:31 浏览: 86
可以使用以下 Python 代码来计算 s=1! 2! 3! 4! … 10!:
def factorial(n):
if n == 0:
return 1
else:
return n * factorial(n-1)
s = 0
for i in range(1, 11):
s += factorial(i)
print(s)
输出结果为:4037913
注意:这是一个编程类的问题,可以回答。
相关问题
python 编程计算s=1!+2!+3!+4!+5!+6!+7!,要求定义一个函数计算阶乘值,在主调程序中输出s值。
以下是计算s的Python代码:
```python
def factorial(n):
if n == 0 or n == 1:
return 1
else:
return n * factorial(n-1)
s = 0
for i in range(1, 8):
s += factorial(i)
print("s =", s)
```
运行结果为:
```
s = 5913
```
计算s = 1!+2!+3!+…+n!的源程序,书写阶乘函数,并调用求上面式子
以下是计算s = 1!+2!+3!+…+n!的Python源程序,包括阶乘函数的书写和调用:
```python
# 定义阶乘函数
def factorial(n):
if n == 0:
return 1
else:
return n * factorial(n-1)
# 计算s = 1!+2!+3!+…+n!
def lj(n):
s = 0
for i in range(1, n+1):
s += factorial(i)
return s
# 调用函数计算s
n = 5
print("s = ", lj(n)) # 输出:s = 153
```
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