using DrRacket, Develop an animation which moves a picture of your choice to the left by 3 pixels every half second, starting at the top-left corner (so the picture seems to fall off the left edge of the window).

Hint: You can get the effect of moving to the left by cutting off the left-hand few pixels of the image. Youll want to start with either a fairly large picture, or one thats place-imaged away from the left edge.