class Data:
def __init__(self, dia, mes, ano):
self.dia = dia
self.mes = mes
self.ano = ano
def formatada(self):
print ("{}".format(self.dia),"{}".format(self.mes), "{}".format(self.ano), sep= "/")
#no Console :
>>> from data import Data
>>> data = Data (19,11,2001)
>>> data.formatada()
19/11/2001