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  1. #!/usr/bin/python
  2. def factorial(n):
  3.     if (type(n) == str):
  4.         print "Factorial is only defined for integers"
  5.         return -1
  6.     elif n<0:
  7.         print "Factorial is only defined for positive integers"
  8.         return -1
  9.     elif n==0:
  10.         return 1
  11.     else:
  12.         return n * factorial(n-1)
  13.  
  14.  
  15.  
Success #stdin #stdout 0s 9024KB
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factorial(3)
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Standard output is empty
https://ideone.com/bvfBud
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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