import turtle
turtle.speed(0)#设置速度为最快
def wujiao(size,x,y,angle=0):
    #初始化开始位置和方向
    turtle.penup()
    turtle.goto(x,y)
    turtle.setheading(angle)
    turtle.pendown()
    #循环绘制五角星
    turtle.color("yellow","yellow")
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(size)
        turtle.left(72)
        turtle.forward(size)
        turtle.right(144)
    turtle.end_fill()
#绘制背景色
turtle.color("red","red")
turtle.begin_fill()
turtle.penup()
turtle.goto(-300,200)
turtle.pendown()
turtle.goto(300,200)
turtle.goto(300,-200)
turtle.goto(-300,-200)
turtle.goto(-300,200)
turtle.end_fill()
#五角星的绘制和参数
wujiao(30, -250, 150)
wujiao(9, -170, 180, 30)
wujiao(9, -140, 145, 45)
wujiao(9, -150, 120, 0)
wujiao(9, -170, 90, -30)
turtle.penup()
turtle.goto(0,0)
turtle.pendown()
turtle.write("中国",font=("华文行楷",50))
turtle.done()#结束绘制