how to write python turtle on screen 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: turtle fillcolor

from turtle import *
color('red', 'yellow')
begin_fill()
while True:
    forward(200)
    left(170)
    if abs(pos()) < 1:
        break
end_fill()
done()