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  1. def isNum(x):
  2.   return x.isdigit()
  3.  
  4. input = raw_input().split(' ')
  5. output = set()
  6. right = 'x'
  7. for i in xrange(len(input) - 1, -1, -1):
  8.   if not isNum(input[i]):
  9.     right = 'x'
  10.   elif right == 'x':
  11.     right = input[i]
  12.   elif input[i] != right:
  13.     output.add((input[i], right))
  14.  
  15. print output
Success #stdin #stdout 0.01s 7732KB
comments (?)
stdin
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1 2 3 x
stdout
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set([('2', '3'), ('1', '3')])
https://ideone.com/OpWC2m
language:
Python (cpython 2.7.16)
created:
12 years ago
visibility:
public

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