Objective: Learn how to plot distance measurements from an ultrasonic sensor vs. time.

Overview: The pre-placed code uses a loop to get distance readings from the ultrasonic sensor at 1-second intervals for 10 seconds. It also keeps track of the time using a variable named "time," and uses the point block (from the Drawing menu) to draw a red dot on the grid for each pair of (time, distance) values.

Run the code, using your hand or a flat object (the flat object works best) to get different distance readings for the sensor. Note that distances above 12 inches will not be displayed, because the grid is set up for a 12x12 display. After you run the code, make the changes suggested in the Problem Statement.