python turtle

import turtle
'''turtle.setup(1800,1204,0,0)#窗口 (宽,高,位置(0,0)在左上角)
turtle.pensize(10)
turtle.pencolor('yellow')
turtle.seth(-60)#运行方向
turtle.fd(80)
turtle.circle(-90,400)'''

def main():
    turtle.setup(1220,600,0,0)
    turtle.pensize(15)
    turtle.pencolor('blue')
    turtle.seth(0)
    run(30,50,6)

def run(r,angle,times):
    for i in range(times):
        turtle.circle(r,angle)
        turtle.circle(-r,angle)
    turtle.circle(r,angle/2)
    turtle.circle(15,180)
    turtle.forward(r*2/3)

main()