入门第一周项目2——绘制蟒蛇程序

任务及代码

import turtle

def drawSnake(rad, angle, len, neckrad):
    for i in range(len):
        turtle.circle(rad,angle)
        turtle.circle(-rad,angle)
    turtle.circle(rad, angle/2)
    turtle.fd(rad)
    turtle.circle(neckrad+1, 180)
    turtle.fd(rad*2/3)

def main():
    turtle.setup(1300,800, 0, 0)
    pythonsize = 30
    turtle.pensize(pythonsize)
    turtle.pencolor("blue")
    turtle.seth(-40)
    drawSnake(40,80,5,pythonsize/2)

main()

运行结果