how to change character in turtle python code example

Example 1: create a window turtle python

import turtle

# Create the window
wn = turtle.Screen()
wn.setup(800, 600) # Dimensions
wn.bgcolor("black") # Background color
wn.title("Window") # Title

# Main loop
while True:
  window.update() # Update window

Example 2: how to draw play area for a game in python turtle

play_area = Turtle()
    play_area.penup()
    play_area.setposition((-300, -290))
    play_area.pendown()
    play_area.pensize(3)
    for side in range(4):
        play_area.forward(600)
        play_area.left(90)
    play_area.hideturtle()