import turtle

from tao_man_hinh import *
player=Turtle()
player.color('black')
player.shape('turtle')
speed=10
def turnleft():
  player.left(30)
def turnright():
  player.right(30)
def increaseSpeed():
    global(speeḍ)
    player.forward(speed)
def quay_dau():
    global(speed)

listen()
# onkey(turnleft, "Left")
# onkey(turnright, "Right")
# onkey(increaseSpeed, "Up")
# onkey(quay_dau, "Down")
turtle.onkey(turnright(),"Right")
turtle.onkey(turnleft(),"Left")
turtle.onkey(increaseSpeed(),"Up")
turtle.onkey(quay_dau(),"Down")