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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 memory_usage(self, string=False):
 """ Get the memory usage estimate of the container. Args: string (bool):
 Human readable string (default false) See Also: :func:`~exa.core.container.Container.info` """

        if string:
            n = getsizeof(self)
            return ' '.join((str(s) for s in convert_bytes(n)))
        return self.info()['size']