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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 _is_memory_usage_qualified(self):
 """ return a boolean if we need a qualified .info display """

        def f(l):
            return 'mixed' in l or 'string' in l or 'unicode' in l
        return any(f(l) for l in self._inferred_type_levels)