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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 async def parse_update(self, bot):
 """ Read update from stream and deserialize it. :param bot: bot instance. You an get it from Dispatcher :return: :class:`aiogram.types.Update` """

        data = await self.request.json()
        update = types.Update(**data)
        return update