```
def factorial(n: int) -> int:
if n <= 1:
return 1
else:
return n * factorial(n-1)
n = int(input("请输入要计算阶乘的整数:"))
result = factorial(n)
print(f"{n} 的阶乘为 {result}")
```
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关于我:
Hello I’m Jenny Kurto author of Letter town blog. This is my personal space which is like to share
others. And i’m living New York city working and blogging.
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