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D’après ce tweet

from turtle import *
from math import sin,cos,radians
from random import random
from kandinsky import fill_rect

s, c = [], []
speed(0)
pensize(1)
fill_rect(0,0,320,222,(0,0,0))
hideturtle()

def trace(i,n,m):
  penup()
  goto(i * s[n % 40], i * c[n % 40])
  pendown()
  goto((i-40)* s[m % 40], (i-40) * c[m % 40])

for i in range(40):
  r = radians(9 * i)
  s.append(sin(r)/6)
  c.append(cos(r)/6)

for i in range(600):
  color(255 - i // 5,220 - i // 3,0)
  trace(i,i,i+1) if random() > .5 else trace(i,i+1,i)