window()

tfood = turtle.Turtle()
tfood.hideturtle()
tfood.pu()
tfood.speed(0)
tfood.shape("square")
tfood.color("red")

tscore = turtle.Turtle()
tscore.hideturtle()
tscore.pu()
tscore.speed(0)
tscore.goto(100,-250)
tscore.write("Score:" + str(a[0]), align="center",font=(10))

while x > -210 and x < 210 and y > -210 and y <210:
    if foodcoord[2] == 0:
        food(tfood)
        foodcoord[2] = 1
    turtle.onkey(u,"Up")
    turtle.onkey(l,"Left")
    turtle.onkey(r,"Right")
    turtle.onkey(d,"Down")
    turtle.listen()
    move()
    x = turtle.xcor()
    y = turtle.ycor()
    if x > foodcoord[0]*20-5 and x < foodcoord[0]*20+5 and y > foodcoord[1]*20-5 and y < foodcoord[1]*20+5:
        foodcoord[2] = 0
        tfood.clear()
        a[0] += 1
        tscore.clear()
        tscore.write("Score:" + str(a[0]), align="center",font=(10))

    if len(cpos) > 1:
        for i in range(1,len(cpos)):
            if x < cpos[i][0]+5 and x > cpos[i][0]-5 and y < cpos[i][1]+5 and y > cpos[i][1]-5:
                    tscore.clear()
                    tfood.clear()
                    gameover()
tscore.clear()
tfood.clear()
gameover()