title: How can i fix AttributeError: '_Screen' object has no attribute 'onkeypress' in python turtle?
body: <p>I am programming my python game, and i wanted to add a basic menu where you can choose the difficulty of the game. But im getting a new error which i hadn't before. Can someone help me please?</p>
  
  <p>Heres the code:</p>
  
  <pre class="lang-py prettyprint-override"><code>import turtle, random, math, time, os, sys
  from pygame import mixer
  from tkinter import *
  
  def game():
  
      mixer.init()
  
      WIDTH = 800
      HEIGHT = 600
  
      fenster = turtle.Screen()
      fenster.setup(WIDTH, HEIGHT,0,0)
      fenster.title("Crossy Road von Julian")
      fenster.bgpic('back.gif')
      fenster.tracer(0)
  
      colors = ["white", "orange", "yellow", "blue", "gray"]
      images = ["a.gif", "b.gif", "c.gif", "p.gif", "f.gif"]
      music = ["m.waf"]
  
      sound1 = mixer.Sound("m.wav")
      sound1.play()
  
      for image in images:
          turtle.register_shape(image)    
  
      class Bus(turtle.Turtle):
          def __init__(self):
              super(Bus, self).__init__()
              self.penup()
              self.shape("f.gif")
              self.shapesize(1,1)
              self.setpos(0, 280)
              self.in_game_speed = 0.2
              # self.fillcolor("Gray")
  
          def update(self):
              self.goto(self.xcor() + self.in_game_speed, self.ycor())
              if self.xcor() &gt; WIDTH:
                  self.setx(-600)
                  self.fillcolor("Gray")
  
  
  
      class Muenzen(turtle.Turtle):
          def __init__(self):
              super(Muenzen, self).__init__()
              self.penup()
              self.shape("circle")
              self.shapesize(0.5)
              self.pencolor("yellow")
              self.fillcolor("gold")
              self.setpos(0,0)
              self.y_positions = [-150, 200, 60 ,90]
              self.setx(random.randrange(-400,400))
              self.sety(random.choice(self.y_positions))
  
  
      class Auto(turtle.Turtle):
          def __init__(self):
              super(Auto, self).__init__()
              self.penup()
              self.shape("square")
              self.shapesize(2,5)
              # self.pencolor("blue")
              self.directions = ["left", "right"]
              self.direction = "left"
              self.in_game_speed = 2.3
  
          def update(self):
              if self.direction == "right":
                  if self.xcor() &gt; WIDTH:
                      self.setx(random.randrange(-600,-400))
  
              if self.direction == "left":
                  if self.xcor() &lt; -WIDTH:
                      self.setx(400)
  
              if self.direction == "right":
                  self.goto(self.xcor() + self.in_game_speed, self.ycor())
              else:
                  self.goto(self.xcor() - self.in_game_speed, self.ycor())
  
  
  
      class Spieler(turtle.Turtle):
          def __init__(self, auto, coin, bus):
              super(Spieler, self).__init__()
              self.penup()
              self.shape("p.gif")
              self.shapesize(1,1)
              self.setpos(0, -250)
              # self.pencolor("yellow")
              self.in_game_speed = 4.3
              self.speed(0)
              self.score = 0
  
          def right(self):
              self.goto(self.xcor() + self.in_game_speed, self.ycor())
  
          def left(self):
              self.goto(self.xcor() - self.in_game_speed, self.ycor())
  
          def up(self):
              self.goto(self.xcor(), self.ycor() + self.in_game_speed)
  
          def down(self):
              self.goto(self.xcor(), self.ycor() - self.in_game_speed)
  
          def powershell(self):
              os.system('start powershell.exe')
  
          def is_collision(self, other):
              a = self.xcor() - other.xcor()
              b = self.ycor() - other.ycor()
              distance = math.sqrt((a**2) + (b**2))
              if distance &lt; 25:
                  return True
              else:
                  return False
  
          def update(self):
              for coin in coins:
                  if self.is_collision(coin):
                      self.score += 1
                      scorecount.clear()
                      scorecount.write(self.score, font = font)
                      coin.setpos(0,450)
                      coins.remove(coin)
              for auto in group_6:
                  if self.is_collision(auto):
                      scorecount.clear()
                      self.score = 0
                      if auto.direction == "right":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
                      if auto.direction == "left":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
              for auto in group_5:
                  if self.is_collision(auto):
                      scorecount.clear()
                      self.score = 0
                      if auto.direction == "right":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
                      if auto.direction == "left":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
              for auto in group_4:
                  if self.is_collision(auto):
                      scorecount.clear()
                      self.score = 0
                      if auto.direction == "right":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
                      if auto.direction == "left":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
              for auto in group_3:
                  if self.is_collision(auto):
                      scorecount.clear()
                      self.score = 0
                      if auto.direction == "right":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
                      if auto.direction == "left":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
              for auto in group_2:
                  if self.is_collision(auto):
                      scorecount.clear()
                      self.score = 0
                      if auto.direction == "right":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
                      if auto.direction == "left":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
              for auto in group_1:
                  if self.is_collision(auto):
                      scorecount.clear()
                      self.score = 0
                      if auto.direction == "right":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
                      if auto.direction == "left":
                          self.setpos(10,-280)
                          self.setpos(10,-280)
  
              if self.is_collision(bus):
                  self.fillcolor("Gray")
                  self.setpos(500,500)
                  scorecount.setpos(0,0)
                  font2 = ("arial", 40)
                  scorecount.color("black")
                  scorecount.write("Super!!!", font = font2)
  
  
      class Score(turtle.Turtle):
          def __init__(self):
              super(Score, self).__init__()
              self.hideturtle
              self.penup()
              self.pencolor("white")
              self.pensize(2)
  
      scorefont = Score()
      scorefont.setpos(200,-280)
      font = ("Germania One", 18)         
      scorefont.write("Geld:", font = font)
  
      scorecount = Score()
      scorecount.setpos(310,-280)
  
      coins = []
      for coin in range(3):
          coin = Muenzen()
          coins.append(coin)
  
      group_1 = []
      for auto in range(1):
          auto = Auto()
          auto.sety(200)
          auto.setx(-400)
          auto.in_game_append = 5
          auto.shape("a.gif")
          group_1.append(auto)
  
      group_2 = []
      for auto in range(1):
          auto = Auto()
          auto.sety(-50)
          auto.setx(-500)
          auto.in_game_append = 5
          auto.shape("b.gif")
          group_2.append(auto)
  
      group_3 = []
      for auto in range(1):
          auto = Auto()
          auto.sety(180)
          auto.setx(300)
          auto.in_game_append = 5
          auto.shape("c.gif")
          group_3.append(auto)
  
      group_4 = []
      for auto in range(1):
          auto = Auto()
          auto.sety(0)
          auto.setx(400)
          auto.in_game_append = 1
          auto.shape("a.gif")
          group_4.append(auto)
  
      group_5 = []
      for auto in range(1):
          auto = Auto()
          auto.sety(100)
          auto.setx(100)
          auto.in_game_append = 1
          auto.shape("b.gif")
          group_5.append(auto)
  
      group_6 = []
      for auto in range(1):
          auto = Auto()
          auto.sety(-100)
          auto.setx(-50)
          auto.in_game_append = 1
          auto.shape("c.gif")
          group_6.append(auto)
  
      bus = Bus()
  
  
      spieler = Spieler(auto, coin, bus)
  
      turtle.listen()
      fenster.onkeypress(spieler.right,"Right")
      fenster.onkeypress(spieler.left,"Left")
      fenster.onkeypress(spieler.up,"Up") 
      fenster.onkeypress(spieler.down,"Down")
      fenster.onkeypress(spieler.powershell,"p")
  
      running = True
      while running:
          fenster.update()
          spieler.update()
          for auto in group_1:
              auto.update()
          for auto in group_2:
              auto.update()
          for auto in group_3:
              auto.update()
          for auto in group_4:
              auto.update()
          for auto in group_5:
              auto.update()
          for auto in group_6:
              auto.update()
          bus.update()
  
  
      turtle.mainloop()
  
  def main():
  
      os.system('clear')
      diff=input('Wilkommen zu Crossy Road von Julian und Eren!\nLeicht = 1 | Mittel = 2 | Schwer = 3\n\n')
      if diff == 1:
          game()
      if diff == 2:
          sys.exit()
      if diff == 3:
          sys.exit()
  
  main()
  </code></pre>
  
  <p>The game should start when you press 1 but i recive this message:</p>
  
  <blockquote>
    <p>AttributeError: '_Screen' object has no attribute 'onkeypress'</p>
  </blockquote>