<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get(self, object_path, interfaces_and_properties=None):
 """Create a Device instance from object path."""

        # check this before creating the DBus object for more
        # controlled behaviour:
        if not interfaces_and_properties:
            interfaces_and_properties = self._objects.get(object_path)
            if not interfaces_and_properties:
                return None
        property_hub = PropertyHub(interfaces_and_properties)
        method_hub = MethodHub(
            self._proxy.object.bus.get_object(object_path))
        return Device(self, object_path, property_hub, method_hub)