回答編集履歴
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answer
CHANGED
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@@ -11,4 +11,20 @@
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>>> math.factorial(30)
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265252859812191058636308480000000
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14
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```
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> for関数やwhile関数を使う方法はありませんか？
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```python
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def my_factorial(n):
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fact_n = 1
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for i in range(2, n+1):
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fact_n *= i
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return fact_n
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print(my_factorial(30))
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#
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265252859812191058636308480000000
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14
30
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```
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