Flower Design code

 

from turtle import*

import colorsys

speed(0)

h=0.2

bgcolor('black')

for i in range(170):

    c=colorsys.hsv_to_rgb(h,1,1)

    fillcolor(c)

    h+=0.02

    begin_fill()

    circle(190-i,90)

    lt(90)

    circle(190-i,90)

    lt(10)

    end_fill() 

done()