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• Calculator

from turtle import *
from random import random
from kandinsky import set_pixel,fill_rect

BL, WH = (0,0,0), (255,)*3
speed(0)
hideturtle()

def fond():
  fill_rect(0,0,320,222,(20,200,255))
  for l in range(222):
    for c in range(320):
      if random() < l / 222: set_pixel(c,l,(0,40,255))

def go(x,y,d):
  penup()
  goto(x,y)
  setheading(d)
  pendown()

def disque(r,a,c=BL,x=0,y=0,d=0):
  pencolor(c)
  s = 1 if d > 0 else -1
  for u in range(r):
    go(x,y+s*u,d)
    circle(u,180*a)

fond()
pensize(2)
disque(80,1)
disque(80,1,WH,d=180)
disque(40,1,y=-40,d=180)
disque(39,1,WH,x=-2,y=40)
disque(10,2,WH,y=-40,d=180)
disque(10,2,y=40)
go(-1,-80,0)
circle(80)