Created
July 25, 2012 22:41
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| Python 2.7.3 (default, Apr 10 2012, 23:24:47) [MSC v.1500 64 bit (AMD64)] on win32 | |
| Type "copyright", "credits" or "license()" for more information. | |
| ==== No Subprocess ==== | |
| >>> def factorial(n): | |
| if n < 1: | |
| sys.exit | |
| elif n == 1: | |
| return 1 | |
| else: | |
| return n * factorial(n-1) | |
| >>> factorial(5) | |
| 120 | |
| >>> factorial(1) | |
| 1 | |
| >>> factorial(-1) | |
| >>> |
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