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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 step(self, input_stream, value):
 """Step the sensor graph through one since input. The internal tick count is not advanced so this function may be called as many times as desired to input specific conditions without simulation time passing. Args: input_stream (DataStream):
 The input stream to push the value into value (int):
 The reading value to push as an integer """


        reading = IOTileReading(input_stream.encode(), self.tick_count, value)
        self.sensor_graph.process_input(input_stream, reading, self.rpc_executor)