L = ["apple", "banana", 1]
print L[0]

if nip in loginName[0]:
            print "Ingreso exitoso"
        else:
            print "Ingreso NO exitoso"
    else:
        print "Usuario no valido, bye" 

        if 'myVar' in locals():
  # myVar exists.

  print "Bienvenido", loginName
        
        print passwords[n]
        print saldos[n]