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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(cls, session, team_id):
 """Return a specific team. Args: session (requests.sessions.Session):
 Authenticated session. team_id (int):
 The ID of the team to get. Returns: helpscout.models.Person: A person singleton representing the team, if existing. Otherwise ``None``. """

        return cls(
            '/teams/%d.json' % team_id,
            singleton=True,
            session=session,
        )