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  1. lista = ['a', 'b', 'c']  
  2.  
  3. item = 'a'        # itens que quero localizar e trocar
  4. outro_item = 'b'  #
  5.  
  6. indice_item       = lista.index(item)       # obtenho a posição de ambos
  7. indice_outro_item = lista.index(outro_item) #
  8.  
  9. # faço a troca
  10. lista[indice_item],lista[indice_outro_item]= lista[indice_outro_item],lista[indice_item]
  11.  
  12. # deu certo
  13. print(lista[0]) # b
  14. print(lista[1]) # a 
  15. print(lista[2]) # c
  16.  
Success #stdin #stdout 0.02s 9124KB
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stdin
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Standard input is empty
stdout
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b
a
c
https://ideone.com/2dZvJV
language:
Python 3 nbc (python 3.7.3)
created:
3 years ago
visibility:
public

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