Dr.Racket

QUESTION 1. Define a structure named shape which has type, posn, direction, color and size fields. Do a proper data definition, constructors, selectors and predicators. type field can only be either circle or square. posn field is the initial point the shape is drawn. direction field can only be left, right, up or down. This field represents the direction the shape moves towards. color and size fields represent the color and size of the shape