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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 initialize(self, emt_id, emt_pass):
 """Manual initialization of the interface attributes. This is useful when the interface must be declare but initialized later on with parsed configuration values. Args: emt_id (str):
 ID given by the server upon registration emt_pass (str):
 Token given by the server upon registration """

        self._emt_id = emt_id
        self._emt_pass = emt_pass

        # Initialize modules
        self.bus = BusApi(self)
        self.geo = GeoApi(self)
        self.parking = ParkingApi(self)