Помогите с информатикой ЕГЭ... 6 задание с черепашкой

from turtle import *
left (90)
screensize(2000, 2000)
pendown()
k = 30
tracer(0)
for i in range(10):
 forward(20 * k)
right(90)
forward(4 * k)
right(90)
penup()
forward(2 * k)
right (90)
forward(2 * k)
left(90)
pendown()
for i in range(10):
    forward(60 * k)
    right(90)
    forward(80 * k)
    right(90)
    for x in range(-20,20):
        for y in range(-20,20):
            setpos(x*k,y*k)
dot()
done()