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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 compile(self, model):
 """Compile this file into a SensorGraph. You must have preivously called parse_file to parse a sensor graph file into statements that are then executed by this command to build a sensor graph. The results are stored in self.sensor_graph and can be inspected before running optimization passes. Args: model (DeviceModel):
 The device model that we should compile this sensor graph for. """


        log = SensorLog(InMemoryStorageEngine(model), model)
        self.sensor_graph = SensorGraph(log, model)

        allocator = StreamAllocator(self.sensor_graph, model)

        self._scope_stack = []

        # Create a root scope
        root = RootScope(self.sensor_graph, allocator)
        self._scope_stack.append(root)

        for statement in self.statements:
            statement.execute(self.sensor_graph, self._scope_stack)

        self.sensor_graph.initialize_remaining_constants()
        self.sensor_graph.sort_nodes()