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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 get_series(self, key):
 """Get a series object from TempoDB given its key. :param string key: a string name for the series :rtype: :class:`tempodb.response.Response` with a :class:`tempodb.protocol.objects.Series` data payload"""


        url = make_series_url(key)
        resp = self.session.get(url)
        return resp