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Jan 22nd, 2019
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  1. arreglo = ["Ruby", "Perl", "C", "Go", "Rust"]
  2. # index devuelve el índice (desde 0) o nil si no existe
  3. busqueda = "Perl"
  4. indice = arreglo.index(busqueda)
  5. if indice
  6. puts "El elemento #{busqueda} está en el índice #{indice}"
  7. else
  8. puts "No existe el elemento #{busqueda}"
  9. end
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