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  1. def plus_element(num, lst):
  2. encontrados = set()
  3. for elem in lst:
  4. if isinstance(elem, int) and (num - elem) in encontrados:
  5. return num - elem, elem
  6. encontrados.add(elem)
  7. return None
  8.  
  9. lista = [' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', 5, 2, 10]
  10. print(plus_element(12, lista))
Success #stdin #stdout 0.02s 9192KB
stdin
Standard input is empty
stdout
(2, 10)