p.width(1) p.moveTo(-200,100) p.speed(10) def koch(length,n): if n==0: p.fd(length) else: for i in[0,60,-120,60]: p.lt(i) koch(length/3,n-1) for j in range(3): koch(300,3) p.rt(360/3) p.draw()
注意:前面需要加一个import turtle as p

p.width(1) p.moveTo(-200,100) p.speed(10) def koch(length,n): if n==0: p.fd(length) else: for i in[0,60,-120,60]: p.lt(i) koch(length/3,n-1) for j in range(3): koch(300,3) p.rt(360/3) p.draw()
注意:前面需要加一个import turtle as p