else:
    while vyber!="svycarsko" or "laos":
        zadej_znova=input("zkus znovu:")
        if zadej_znova=="svycarsko":
            canvas.create_rectangle(0, 0, 200, 240, fill="red")
            canvas.create_rectangle(80, 50, 120,180, fill="white")
            canvas.create_rectangle(150, 90, 50, 140, fill="white")
        elif zadej_znova=="laos":
            canvas.create_rectangle(0, 0, 200, 70, fill="red")
            canvas.create_rectangle(0, 70, 200, 170, fill="blue")
            canvas.create_rectangle(0, 170, 200, 240, fill="red")
            canvas.create_oval(70, 80, 130, 160, fill="white")