我还加了音效，类似于小时候游戏机上的弹球游戏 

import os
import turtle
import pygame

#初始化pygame
pygame.init()

#加载声音文件
bounce_sound = pygame.mixer.Sound("bounce.mp3")

wn = turtle.Screen()
wn.title("Pong by @")
wn.bgcolor("black")
wn.setup(width=800, height=600)
wn.tracer(0)
#阻止了窗口更新

#Score
score_a = 0
score_b = 0

#Paddle A
paddle_a = turtle.Turtle()
paddle_a.speed(0)
paddle_a.shape("square")
paddle_a.color("white")
paddle_a.shapesize(stretch_wid=5,stretch_len=1)
paddle_a.penup()
paddle_a.goto(-350,0)

#Paddle B
paddle_b = turtle.Turtle()
paddle_b.speed(0)
paddle_b.shape("square")
paddle_b.color("white")
paddle_b.shapesize(stretch_wid=5,stretch_len=1)
paddle_b.penup()
paddle_b.goto(+350,0)

#Ball
ball = turtle.Turtle()
ball.speed(0)
ball.shape("square")
ball.color("white")
ball.penup()
ball.goto(0,0)
ball.dx = 0.1
ball.dy = -0.1

#Pen
pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0,260)
pen.write("Player A: 0 PlayerB: 0",align="center",font=("Courier",24,"normal"))

#Function
def paddle_a_up():
    y = paddle_a.ycor()
    y += 20
    paddle_a.sety(y)

def paddle_a_down():
    y = paddle_a.ycor()
    y -= 20
    paddle_a.sety(y)

def paddle_b_up():
    y = paddle_a.ycor()
    y += 20
    paddle_b.sety(y)

def paddle_b_down():
    y = paddle_a.ycor()
    y -= 20
    paddle_b.sety(y)

#Keyboard binding
wn.listen()
wn.onkeypress(paddle_a_up,"w")
wn.onkeypress(paddle_a_down,"s")
wn.onkeypress(paddle_b_up,"Up")
wn.onkeypress(paddle_b_down,"Down")

#Main game loop
while True:
    wn.update()

    #Move the ball
    ball.setx(ball.xcor() + ball.dx)
    ball.sety(ball.ycor() + ball.dy)

    #Border checking
    if ball.ycor() > 290:
        ball.sety(290)
        ball.dy *= -1
        bounce_sound.play()  # 使用pygame播放声音

    if ball.ycor() < -290:
        ball.sety(-290)
        ball.dy *= -1
        bounce_sound.play()  # 使用pygame播放声音

    if ball.xcor() > 390:
        ball.goto(0,0)
        ball.dx *= -1
        score_a += 1
        pen.clear()
        pen.write("Player A: {}  PlayerB: {}".format(score_a,score_b),align="center", font=("Courier", 24, "normal"))

    if ball.xcor() < -390:
        ball.goto(0,0)
        ball.dx *= -1
        score_a += 1
        pen.clear()
        pen.write("Player A: {}  PlayerB: {}".format(score_a,score_b),align="center", font=("Courier", 24, "normal"))


    #Paddle and ball collisions
    if ball.xcor() > 340 and ball.xcor() < 350 and (ball.ycor() < paddle_b.ycor() + 40 and ball.ycor() > paddle_b.ycor() -40):
        ball.setx(340)
        ball.dx *= -1
        bounce_sound.play()  # 使用pygame播放声音

    if ball.xcor() < -340 and ball.xcor() > -350 and (ball.ycor() < paddle_a.ycor() + 40 and ball.ycor() > paddle_a.ycor() -40):
        ball.setx(-340)
        ball.dx *= -1
        bounce_sound.play()  # 使用pygame播放声音