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  1. d = dict()
  2. elements = [1, 2, 3, 4, 3, 6, 3, 8]
  3.  
  4. for i, element in enumerate(elements):
  5. if elements.count( element ) > 1:
  6. d[element] = i
  7.  
  8. for j in d.values():
  9. elements.pop( j )
  10.  
  11. print elements
Success #stdin #stdout 0s 9024KB
stdin
Standard input is empty
stdout
[1, 2, 3, 4, 3, 6, 8]