from turtle import *
from math import *

r=500
w=40

ht()
pos1 = []
color("blue")
tracer(0)
begin_fill()
for i in range(4):
    pos1.append(pos())
    seth(-(w/2)+90*i)
    circle(r,w)
    print(pos1)
end_fill()
#tracer(1)

list = [(0.3,1),
        (0.7,-1)]

pu();color("white");pensize(5)

for i in range(2):
    pu();goto(pos1[3]*list[i][0]);seth(-w*list[i][1]/2);pd()
    circle(r*list[i][1],w*2)
    circle(r*list[i][1],w*-3)

for i in range(2):
    pu();goto(pos1[1]*list[i][0]);seth(270+w*list[i][1]/2);pd()
    circle(r*list[i][1],-w*2)
    circle(r*list[i][1],-w*-3)

pu();goto(0,0)

exitonclick()