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  1. #!/bin/python
  2.  
  3. a = int(raw_input())
  4.  
  5. b = 1
  6.  
  7. t = range(1,a+1)
  8.  
  9. for i in t:
  10.  b = i * b
  11.  
  12.  
  13. print '%s! = %s' % (a, b)
Success #stdin #stdout 0.03s 6360KB
comments (?)
stdin 
20
stdout 
20! = 2432902008176640000
https://ideone.com/lvqoc
language:
Python (cpython 2.7.16)
created:
14 years ago
visibility:
public

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