Скачать или смотреть Impossible Triangle in Python With Turtle!

The incredible impossible triangle illusion made in under 100 lines of python code!!!

Code (Python)
import time
from turtle import *

speed(1)
setup(1000,1000)
title('Impossible Triangle')

def draw_penrose_triangle(x,y,size,tilt):
pencolor((0.2,0.2,0.2))
up()
goto(x,y)
seth(tilt)
down()
fd(size*2)
p1x = xcor()
p1y = ycor()
p1a = heading()
left(120)
fd(size*2)
p2x = xcor()
p2y = ycor()
p2a = heading()
left(120)
fd(size*2)
p3x = xcor()
p3y = ycor()
p3a = heading()
up()
goto(p1x,p1y)
seth(p1a)
down()
fillcolor('dark gray')
begin_fill()
fd(size)
left(120)
fd(size*5)
left(120)
fd(size*6)
left(60)
fd(size)
left(120)
fd(size*5)
right(120)
fd(3*size)
end_fill()
up()
goto(p2x,p2y)
seth(p2a)
down()
fillcolor('black')
begin_fill()
fd(size)
left(120)
fd(5*size)
left(120)
fd(6*size)
left(60)
fd(size)
left(120)
fd(5*size)
right(120)
fd(3*size)
end_fill()
up()
goto(p3x,p3y)
seth(p3a)
down()
fd(size)
left(120)
fd(5*size)
left(120)
fd(6*size)
left(60)
fd(size)
left(120)
fd(5*size)
right(120)
fd(3*size)
hideturtle()

draw_penrose_triangle(-80,-50,80,0)

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time.sleep(10)