q = MyQueue(range(5)) print(str(q)) print(len(q)) q.appendLeft(-1) q.appendRight(5) print(repr(q)) print(len(q)) ql = q.popLeft() print(ql) qr = q.popRight() print(qr) q.reverse() print(str(q)) qq = q.isEmpty() print(qq) q.rotate(-3) print(str(q)) q.setSize(20) print(str(q)) q.clear() print(str(q)) qqq = q.isEmpty()