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  1. def extract_unique_elements(a_list):
  2.     uniq = set()
  3.     for el in a_list:
  4.         if isinstance(el, list):
  5.             uniq.update(extract_unique_elements(el))
  6.         else:
  7.             uniq.add(el)
  8.     return uniq
  9.  
  10. print(extract_unique_elements([2, [[2, 4, 5]], 'c', [[['c', 'd']]]]))
Success #stdin #stdout 0.02s 28376KB
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Standard input is empty
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{2, 4, 5, 'c', 'd'}
https://ideone.com/fxhV6o
language:
Python 3 (python  3.9.5)
created:
7 years ago
visibility:
public

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