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""" | ||
Python não oferece a implementação explícita de interfaces, como Java, mas o | ||
mesmo comportamento pode ser replicado de duas formas principais. | ||
""" | ||
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from abc import ABC, abstractmethod | ||
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class Item1(object): | ||
def __gt__(self, outro_item): | ||
raise NotImplementedError() | ||
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class Item2(ABC): | ||
@abstractmethod | ||
def create_purchase_invoice(self, purchase): | ||
pass |