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  1. def four(n):
  2.  
  3.  if n - 4 != 0:
  4.  
  5.     if n % 10 == 0:
  6.        four(n//10)
  7.        #break
  8.     elif n % 10 == 4:
  9.        four(n//10)
  10.       # break
  11.     else:
  12.        four(n*2)
  13.     print(n, end=" -> ")
  14.  
  15. print("4 -> ", end = "")
  16. four(147)
Success #stdin #stdout 0.02s 8972KB
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stdin
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Standard input is empty
stdout
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4 -> 2 -> 1 -> 14 -> 144 -> 72 -> 36 -> 18 -> 184 -> 92 -> 46 -> 464 -> 232 -> 116 -> 58 -> 29 -> 294 -> 147 ->
https://ideone.com/itpQSD
Class7C Number Four. Recursion
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
secret

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