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  1. from itertools import chain
  2.  
  3. d = [[1],[2],[3],[3]]
  4.  
  5. print(set(chain(*d)))
Success #stdin #stdout 0.02s 9268KB
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Standard input is empty
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{1, 2, 3}
https://ideone.com/U62NeL
language:
Python 3 (python  3.12)
created:
4 years ago
visibility:
public

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