程序代码:
import turtle
def drawSnake(radius, angle, length):
turtle.seth(-40)
for i in range(length):
turtle.circle(radius, angle)
turtle.circle(-radius, angle)
turtle.circle(radius, angle/2)
turtle.fd(40)
turtle.circle(16, 180)
turtle.fd(40* 2/3)
turtle.setup(650, 450, 200, 200)
turtle.penup()
turtle.fd(-250)
turtle.circle(0, 90)
turtle.fd(175)
turtle.pendown()
turtle.pensize(25)
turtle.pencolor("yellow")
drawSnake(40, 80, 4)
turtle.penup()
turtle.circle(0, 90)
turtle.fd(100)
turtle.circle(0, 90)
turtle.fd(-450)
turtle.pendown()
turtle.pencolor("green")
drawSnake(40, 80, 4)
turtle.penup()
turtle.circle(0, 90)
turtle.fd(100)
turtle.circle(0, 90)
turtle.fd(-450)
turtle.pendown()
turtle.pencolor("red")
drawSnake(40, 80, 4)
turtle.penup()
turtle.circle(0, 90)
turtle.fd(100)
turtle.circle(0, 90)
turtle.fd(-450)
turtle.pendown()
turtle.pencolor("blue")
drawSnake(40, 80, 4)
turtle.penup()
turtle.circle(0, 90)
turtle.fd(100)
turtle.circle(0, 90)
turtle.fd(-450)
turtle.pendown()
turtle.pencolor("black")
drawSnake(40, 80, 4)
turtle.done()