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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_unit(self, name):
 """Retreive a specifi unit from the fleet cluster by name Args: name (str):
 If specified, only this unit name is returned Returns: Unit: The unit identified by ``name`` in the fleet cluster Raises: fleet.v1.errors.APIError: Fleet returned a response code >= 400 """

        return Unit(client=self, data=self._single_request('Units.Get', unitName=name))