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A quick adaptation of a turtle script released anonymously for the Casio fx-CG50 / Graph 90+E : https://tiplanet.org/forum/archives_voir.php?id=2711383

from random import *
from turtle import *
from kandinsky import *

casioplot_w, casioplot_h = 384, 182
kandinsky_w, kandinsky_h = 320, 222
screenold_w, screenold_h = casioplot_w, casioplot_h
screen_w, screen_h = kandinsky_w, kandinsky_h
coeff_x = screen_w / screenold_w
coeff_y = screen_h / screenold_h

def tx(x):
  return round(x * coeff_x)

def ty(y):
  return round(y * coeff_y)


def branche(longueur):
  pendown()
  a = longueur // 10
  xt,yt = pos()
  for b in range(a):
    forward(a*2)
    if b % 2 == 0:
      left(25)
    else:
      right(25)
    if (b+2)*10 < longueur:
      branche(longueur-(a-b-1)*5)
    if b % 2 == 0:
      right(25)
    else:
      left(25)
  fleur()
  forward(longueur-a*10)
  goto(xt,yt)
def fleur():
  pencolor("pink")
  pensize(5)
  for a in range(6):
    forward(5)
    backward(5)
    right(60)
  pencolor("red")
  pensize(1)
  for a in range(10):
    forward(2)
    backward(2)
    right(36)
  pensize(2)
  pencolor("brown")
def drawcircle(rayon, angle=None):
  penup()
  right(90)
  forward(rayon)
  left(90)
  pendown()
  circle(rayon,angle)
  penup()
  left(90)
  forward(rayon)
  right(90)
  right(angle)
  pendown()

def drawbranche(x1,y1,long=70,startsize=5):
  goto(x1,y1)
  pensize(startsize)
  pencolor("brown")
  pendown()
  backward(50)
  forward(50)
  branche(long)
  penup()
def petale(x1,y1,style):
  penup()
  goto(x1,y1)
  pencolor("pink")
  pendown()
  pensize(5)
  if style==1:
    forward(0)
    pensize(3)
    backward(3)
    pensize(1)
    backward(3)
  else:
    right(90)
    forward(1)
    penup()
    left(90)
    pensize(3)
    pendown()
    backward(4)
    penup()
    left(90)
    forward(1)
    right(90)
    pensize(2)
    right(22)
    pendown()
    backward(3)
    pensize(1)
    left(22)
    forward(1)
    right(45)
    backward(2)

speed(0)
penup()

goto(tx(-186),ty(-95))
pensize(5)
pendown()
left(90)
fill_rect(0,0,screen_w,screen_h,(60,146,255))
listcolor = [(63,149,253),(67,154,254),(71,156,253),(75,162,254),(78,163,254),(83,168,255),(86,171,254),(91,175,255),(94,178,254),(99,182,255),(102,185,255)]
for b in listcolor:
  pencolor(b)
  for a in range(4):
    drawcircle(250,66)
    right(90)
    penup()
    forward(4)
    left(90)
    pendown()
penup()


goto(tx(-191),ty(-60))
pencolor("brown")
pendown()
right(15)
drawbranche(tx(-191),ty(-60))
right(55)
drawbranche(tx(-90),ty(-95))
left(20)
drawbranche(tx(-171),ty(-95))
petale(tx(-180),ty(-45),1)
petale(tx(-158),ty(-33),2)
petale(tx(-100),ty(3),2)
petale(tx(-124),ty(78),1)
petale(tx(-73),ty(75),1)
petale(tx(-40),ty(20),2)
petale(tx(-30),ty(17),1)
petale(tx(-20),ty(50),2)
petale(tx(-22),ty(28),1)
petale(tx(-10),ty(5),1)
petale(tx(42),ty(20),1)
petale(tx(16),ty(23),2)
petale(tx(11),ty(37),1)
petale(tx(-83),ty(-80),2)
petale(tx(18),ty(50),1)
petale(tx(64),ty(57),1)
petale(tx(96),ty(18),1)
petale(tx(120),ty(26),2)
petale(tx(151),ty(18),1)
petale(tx(145),ty(36),2)
petale(tx(137),ty(-3),2)
petale(tx(82),ty(-44),2)
petale(tx(71),ty(-67),1)
petale(tx(96),ty(-26),1)
penup()
goto(tx(200),ty(200))