1-Player Pong against bot

Pong Bot.py

print("Press 'g' to make the ball move.")
import turtle
import time
time.sleep(1)
import random
import math

delay = 0.01
score = 0
highscore = 0
gamestate = "stop"

wn = turtle.Screen()
wn.title("Pong")
wn.bgcolor("black")

wn.setup(width=1200, height=600)
wn.tracer(0)

pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.setposition(-600, -300)
pen.pendown()
pen.pensize(3)
for side in range(2):
    pen.fd(1200)
    pen.lt(90)
    pen.fd(600)
    pen.lt(90)
pen.penup()
pen.ht()
pen.goto(0,250)
pen.pendown()
pen.write("Score: 0   High Score: 0", align="center",
          font=("candara", 20, "bold"))
pen.penup()

p1 = turtle.Turtle()
p1.shape("square")
p1.color("white")
p1.shapesize(4.5,0.4)
p1.penup()
p1.goto(-570,0)
p1.direction = "p1stop"

p2 = turtle.Turtle()
p2.shape("square")
p2.color("white")
p2.shapesize(4.5,0.4)
p2.penup()
p2.goto(570,0)
p2.direction = "p2stop"

ball = turtle.Turtle()
ball.shape("circle")
ball.color("white")
ball.shapesize(0.7,0.7)
ball.penup()
ball.goto(0,0)
ball.direction = "bstop"

def p1_stop():
    p1.direction = "p1stop"
def p1u():
    p1.direction = "up"
def p1d():
    p1.direction = "down"

def bur():
    ball.direction = "upright"
def bul():
    ball.direction = "upleft"
def bdr():
    ball.direction = "downright"
def bdl():
    ball.direction = "downleft"

def move_p1():
    if p1.direction != "p1stop":
        global gamestate
        if p1.direction == "up":
            if p1.ycor()<247.5:
                y = p1.ycor()
                p1.sety(y+4.5)
                gamestate = "go"
        if p1.direction == "down":
            if p1.ycor()>-247.5:
                y = p1.ycor()
                p1.sety(y-4.5)
                gamestate = "go"
def move_p2():
    global gamestate
    if ball.ycor()>p2.ycor():
        p2.direction="up"
    if ball.ycor()<p2.ycor():
        p2.direction="down"
    if (ball.direction=="bstop" or ball.xcor()<150 or ball.direction=="upleft" or ball.direction=="downleft") and p2.ycor()<6.5 and p2.ycor()>-6.5:
        p2.direction="stop"
    if (ball.direction=="bstop" or ball.direction=="upleft" or ball.direction=="downleft") and p2.ycor()>6:
        p2.direction="down"
    if (ball.direction=="bstop" or ball.direction=="upleft" or ball.direction=="downleft") and p2.ycor()<-6:
        p2.direction="up"
    if p2.direction != "p2stop":
        if p2.direction == "up":
            if p2.ycor()<247.5:
                y = p2.ycor()
                p2.sety(y+4.5)
                gamestate = "go"
        if p2.direction == "down":
            if p2.ycor()>-247.5:
                y = p2.ycor()
                p2.sety(y-4.5)
                gamestate = "go"
            
def start_game():
    global gamestate
    if ball.direction == "bstop":
        if gamestate == "stop":
            gamestate = "go"
        if gamestate == "go":
            ball.direction = random.choice(['upright', 'upleft', 'downright', 'downleft'])

def move_ball():
    if ball.direction == "upright":
        y = ball.ycor()+5
        x = ball.xcor()+7
        ball.sety(y)
        ball.setx(x)
    if ball.direction == "upleft":
        y = ball.ycor()+5
        x = ball.xcor()-7
        ball.sety(y)
        ball.setx(x)
    if ball.direction == "downright":
        y = ball.ycor()-5
        x = ball.xcor()+7
        ball.sety(y)
        ball.setx(x)
    if ball.direction == "downleft":
        y = ball.ycor()-5
        x = ball.xcor()-7
        ball.sety(y)
        ball.setx(x)

wn.listen()
wn.onkeypress(p1u, "w")
wn.onkeypress(p1d, "s")
wn.onkeyrelease(p1_stop, "w")
wn.onkeyrelease(p1_stop, "s")
wn.onkeypress(p1u, "Up")
wn.onkeypress(p1d, "Down")
wn.onkeyrelease(p1_stop, "Up")
wn.onkeyrelease(p1_stop, "Down")
wn.onkeypress(start_game, "g")

while True:
    wn.update()
    move_p1()
    move_p2()
    move_ball()
    time.sleep(delay)
    if gamestate == "stop":
        ball.direction = "bstop"
    if ball.ycor() > 294:
        if ball.direction == "upright":
            ball.direction = "downright"
        if ball.direction == "upleft":
            ball.direction = "downleft"
    if ball.ycor() < -294:
        if ball.direction == "downright":
            ball.direction = "upright"
        if ball.direction == "downleft":
            ball.direction = "upleft"
    if ball.xcor() < -600:
        ball.ht()
        ball.setposition(0,0)
        ball.st()
        score = 0
        pen.clear()
        pen.penup()
        pen.setposition(-600, -300)
        pen.pendown()
        pen.pensize(3)
        for side in range(2):
            pen.fd(1200)
            pen.lt(90)
            pen.fd(600)
            pen.lt(90)
        pen.penup()
        pen.ht()
        pen.goto(0,250)
        pen.pendown()
        pen.write("Score: {}   High Score: {}".format(score, highscore), align="center", font=("candara", 20, "bold"))
        gamestate = "stop"
        ball.direction = "bstop"
    if ball.xcor() > 564 and ball.xcor() < 571:
        if ball.direction == "upright":
            ball.direction = "upleft"
        if ball.direction == "downright":
            ball.direction = "downleft"
    if ball.xcor() < -564 and ball.xcor() > -571:
        a = p1.ycor() + 53
        b = p1.ycor() - 53
        if ball.ycor() < a and ball.ycor() > b:
            if ball.direction == "upleft":
                ball.direction = "upright"
            if ball.direction == "downleft":
                ball.direction = "downright"
            score += 1
        if score>highscore:
            highscore=score
        pen.clear()
        pen.penup()
        pen.setposition(-600, -300)
        pen.pendown()
        pen.pensize(3)
        for side in range(2):
            pen.fd(1200)
            pen.lt(90)
            pen.fd(600)
            pen.lt(90)
        pen.penup()
        pen.ht()
        pen.goto(0,250)
        pen.pendown()
        pen.write("Score: {}   High Score: {}".format(score, highscore), align="center", font=("candara", 20, "bold"))