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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 loadstore(self, addrs, length=1):
 """ Load and store address in order given. :param length: will load and store all bytes between addr and addr+length (for each address) """

        if not isinstance(addrs, Iterable):
            raise ValueError("addr must be iteratable")

        self.first_level.loadstore(addrs, length=length)