# Créé par wbrigitte, le 06/01/2022 en Python 3.2

from turtle import *
from random import *

hideturtle()
speed(0)
colormode(255)
R=250
Color_Min=150
Rmax=255
Bmax=255
Vmax=255
rouge=randint(Color_Min,Rmax)
bleu=randint(Color_Min,Bmax)
vert=0
bgcolor(0,0,0)
pencolor('white')
pensize(2)
setheading(180)

up()
goto(0,20)
down()

while R>20:
        rouge,bleu,vert
        rouge=randint(Color_Min,Rmax)
        bleu=randint(Color_Min,Bmax)
        vert=0
        fillcolor(rouge,bleu,vert)
        begin_fill()
        forward(R)
        left(90)
        forward(R)
        left(90)
        forward(R)
        left(90)
        forward(R)
        left(90)
        end_fill()
        left(5)
        if not Rmax<=150:
            Rmax=Rmax-1
            Vmax=Vmax-0
            Bmax=Bmax-1
        R=R-1
else:
    done()