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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 metrics(self, name):
 """ Return the metrics received under the given name """

        return [
            MetricStub(
                ensure_unicode(stub.name),
                stub.type,
                stub.value,
                normalize_tags(stub.tags),
                ensure_unicode(stub.hostname),
            )
            for stub in self._metrics.get(to_string(name), [])
        ]