class Nomes:
  def __init__(self, lista):
      self.lista = lista
      self.ci = 0        #current index
 
  def __iter__(self):
      return self
 
  def __next__(self):
      indice_final = len(self.lista)
      if self.ci >= indice_final:
          raise StopIteration
      current = self.lista[self.ci]
      self.ci += 1
      return current
 
lista_de_nomes = Nomes(['marcos', 'felipe', 'lucas'])
 
for nome in lista_de_nomes:
    print(nome)# your code goes here

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