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1 def fact(n): 2 if n==1: 3 return 1 4 return n*fact(n-1) 5 6 n=int(raw_input("Please Input The Number of N: ")) 7 print fact(n)
Python练习3->阶乘
原文地址:http://www.cnblogs.com/Curious-Python/p/4540150.html