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  1. n = 4562; 
  2. rev = 0
  3. new= []
  4. m = 0
  5.  
  6. def convert(n,m):
  7.     print "round #:", m,"n :", n
  8.     a = ((n+1) % 3)-1
  9.     if n:
  10.         new.append(a); print 'new :', new
  11.         convert((n+1)//3,m+1)
  12.     else:
  13.         print 'n==',n, 'new: ::: ', new
  14.     return new
  15.  
  16. print  convert(n,m), "<<---- None returned ? "
  17.  
  18. sum = 0
  19.  
  20. def value(l):
  21.     sum = 0
  22.     for i in range(0, len(new),1):
  23.         sum += new[i]*(3**i)
  24.         print "sum :" , sum
  25.     return sum
  26.  
  27. print value(new),  "<<---- Value is returned "
  28.  
  29.  
Success #stdin #stdout 0.02s 7284KB
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stdin
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Standard input is empty
stdout
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round #: 0 n : 4562
new : [-1]
round #: 1 n : 1521
new : [-1, 0]
round #: 2 n : 507
new : [-1, 0, 0]
round #: 3 n : 169
new : [-1, 0, 0, 1]
round #: 4 n : 56
new : [-1, 0, 0, 1, -1]
round #: 5 n : 19
new : [-1, 0, 0, 1, -1, 1]
round #: 6 n : 6
new : [-1, 0, 0, 1, -1, 1, 0]
round #: 7 n : 2
new : [-1, 0, 0, 1, -1, 1, 0, -1]
round #: 8 n : 1
new : [-1, 0, 0, 1, -1, 1, 0, -1, 1]
round #: 9 n : 0
n== 0 new: :::  [-1, 0, 0, 1, -1, 1, 0, -1, 1]
[-1, 0, 0, 1, -1, 1, 0, -1, 1] <<---- None returned ? 
sum : -1
sum : -1
sum : -1
sum : 26
sum : -55
sum : 188
sum : 188
sum : -1999
sum : 4562
4562 <<---- Value is returned
https://ideone.com/fc2MNb
language:
Python (cpython 2.7.16)
created:
3 years ago
visibility:
public

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