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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:
 def prepare_child_message(self, gas: int, to: Address, value: int, data: BytesOrView, code: bytes, **kwargs: Any) -> Message: """ Helper method for creating a child computation. """

        kwargs.setdefault('sender', self.msg.storage_address)

        child_message = Message(
            gas=gas,
            to=to,
            value=value,
            data=data,
            code=code,
            depth=self.msg.depth + 1,
            **kwargs
        )
        return child_message