Today, we'll play around with the turtle, making some fun repeating designs using mathematical principles.
from turtle import *
speed(0)
for x in range(0,18):
color("blue")
circle(50,180)
for y in range(0,10):
color("red")
pensize(y+1)
forward((y+1)*4)
left(36)
color("blue")
circle(50,180)
rt(20)
done()