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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, deep=False):
 """ Memory usage of my values Parameters deep : bool Introspect the data deeply, interrogate `object` dtypes for system-level memory consumption Returns ------- bytes used Notes ----- Memory usage does not include memory consumed by elements that are not components of the array if deep=False See Also -------- numpy.ndarray.nbytes """

        return self._codes.nbytes + self.dtype.categories.memory_usage(
            deep=deep)