import turtle
t = turtle.Turtle()
def setpen(x, y):
   # 抬笔
   t.penup()
   # 移动画笔到(x, y)
   t.goto(x, y)
   # 落笔
   t.pendown()
   t.setheading(0)
def circle(x, y, r, color):
       # 为了保证画出的圆够圆，所以我们把圆的边设置的多一些
       n = 36
       angle = 360 / n
       pi = 3.1415926
       # 周长
       c = 2 * pi * r
       # 每条边的长度
       l = c / n
       # 起始位置
       start_x = x - l / 2
       start_y = y + r
       # 移动画笔
       setpen(start_x, start_y)
       # 选择画笔颜色
       t.pencolor(color)
       # 选择背景色
       t.fillcolor(color)
       # 填充
       t.begin_fill()
       for i in range(n):
           t.forward(l)
           t.right(angle)
       t.end_fill()
def five_star(l):
   setpen(0, 0)
   t.setheading(162)
   t.forward(150)
   t.setheading(0)
   t.fillcolor('WhiteSmoke')
   t.begin_fill()
   t.hideturtle()
   t.penup()
   for i in range(5):
       t.forward(l)
       t.right(144)
   t.end_fill()

   def sheild():
       circle(0, 0, 300, 'red')
       circle(0, 0, 250, 'white')
       circle(0, 0, 200, 'red')
       circle(0, 0, 150, 'blue')
       five_star(284)

   if __name__ == '__main__':
       sheild()
       # 结束乌龟图
       turtle.done()
def sheild():
   circle(0, 0, 300, 'red')
   circle(0, 0, 250, 'white')
   circle(0, 0, 200, 'red')
   circle(0, 0, 150, 'blue')
   five_star(284)


if __name__ == '__main__':
   sheild()
   # 结束乌龟图
   turtle.done()