from math import * from turtle import * color("orange") speed(10) pensize(2) pu() goto(75,37.5) pd() def koch(a,o): if o==0: fd(a) else: for t in [60,-120,60,0]: koch(a/3,o-1) lt(t) for i in range(3): rt(120) koch(150,4) color("green") pensize(3) pu(),goto(0,-101),pd() circle(95) ht()