Created
November 27, 2018 14:34
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| def fat(n): | |
| i = 1 | |
| result = 1 | |
| def fat_iter(): | |
| nonlocal i, result | |
| if i > n: | |
| return | |
| result *= i | |
| i += 1 | |
| fat_iter() | |
| fat_iter() | |
| return result | |
| def test(): | |
| assert 1 == fat(0) | |
| assert 1 == fat(1) | |
| assert 2 == fat(2) | |
| assert 6 == fat(3) | |
| assert 24 == fat(4) | |
| assert 120 == fat(5) |
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