use dr racket Design a data definition for the state of the world.A door can be in one of three states: open, closed, or locked.The user can open a closed door by pressing the "o" key on their keyboard.The user can open a closed door by pressing the "o" key on their keyboard.The user can lock a closed door by pressing the "l" key on their keyboard. Attempting to lock an open door or an already locked door will do nothingThe user can unlock a locked door by pressing the "u" key on their keyboard