There is no error but i can't understand why its not working on code playground?

Question

import turtle
import time
import random
score = 0
high_score = 0

delay = 0.15
wn = turtle.Screen()
wn.title("Snake")
wn.bgcolor("Black")
wn.setup(width=600, height=600)
wn.tracer(0)
head = turtle.Turtle()
head.speed(0)
head.shape("square")
head.color("red")
head.penup()
head.goto(0, 0)
head.direction = "stop"
food = turtle.Turtle()
food.speed(0)
food.shape("circle")
food.color("yellow")
food.penup()
food.goto(0, 100)
segments = []
pen = turtle.Turtle()
pen.speed(0)
pen.shape("square")
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("Score: 0, High Score: 0", align="center", font=("Courier", 24, "normal"))

def go_up():
if head.direction != "down":
head.direction = "up"
def go_down():
if head.direction != "up":
head.direction = "down"
def go_left():
if head.direction != "right":
head.direction = "left"
def go_right():
if head.direction != "left":
head.direction = "right"
def move():
if head.direction == "up":
y = head.ycor()
head.sety(y + 20)
if head.direction == "down":
y = head.ycor()
head.sety(y - 20)
if head.direction == "left":
x = head.xcor()
head.setx(x + 20)
if head.direction == "right":
x = head.xcor()
head.setx(x - 20)
wn.listen()
wn.onkeypress(go_up, "w")
wn.onkeypress(go_down, "s")
wn.onkeypress(go_left, "d")
wn.onkeypress(go_right, "a")
while True:
wn.update()
if head.xcor() > 290 or head.xcor() < -290 or head.ycor() > 290 or head.ycor() < -290:
time.sleep(1)
head.goto(0, 0)
head.direction = "stop"
if head.distance(food) < 20:
x = random.randint(-290, 290)
y = random.randint(-290, 290)
food.goto(x, y)
new_segment = turtle.Turtle()
new_segment.speed(0)
new_segment.shape("square")
new_segment.color("grey")
new_segment.penup()
segments.append(new_segment)
sc

Answer 1

Sololearn's code playground for languages besides HTML, CSS, and JavaScript are all console based so can't run programs which create GUIs, so you can't run Turtle on the SL playground for Python

Answer 2

A lot of things don't work on Sololearn, turtle is one of them.