- def J(a,b,i=0): 
-  h=r='' 
-  B=lambda n,b:n*'x'and B(n/b,b)+chr(48+n%b+7*(n%b>9)) 
-  for c in a:h+=B(ord(c),b) 
-  while i<len(h):v=int(h[i:i+2],16);r+=chr(v)*(31<v<127);i+=2 
-  print r 
-   
- J("Hello, World!",6) 
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