Program your Finch to wander around a room. When it encounters an obstacle, it should back up and turn away from it randomly for two seconds – you can do this by generating two negative random values for the left and right wheel velocities. The Finch’s beak should glow green when it is moving around. The beak should change to red when the Finch sees an obstacle and is moving away from it. Since Finches are diminutive and polite creatures, it should also apologize (or beep apologetically) for nearly running into an obstacle when it sees one. The Finch should continue running this program until it is picked up and placed on its tail.