- 科技
- 科赫雪花（python）
代码
import turtle
def koch(size
,n
):
if n
== 0:
turtle
.fd
(size
)
else:
for angle
in [0,60,-120,60]:
turtle
.left
(angle
)
koch
(size
/3,n
-1)
def main():
turtle
.setup
(600,600)
turtle
.penup
()
turtle
.goto
(-200,100)
turtle
.pendown
()
turtle
.pensize
(2)
level
= 3
koch
(400,level
)
turtle
.right
(120)
koch
(400,level
)
turtle
.right
(120)
koch
(400,level
)
turtle
.hideturtle
()
turtle
.done
()
main
()
效果
Processed:
0.009, SQL:
8
