绘制五角星

"""
功能：五角星的绘制
"""
import turtle

def main():
    """
       主函数
    """

    count = 1
    lenth=50

    while count <= 50:
        lenth = lenth + 50
        turtle.forward(lenth)   #向前走50
        turtle.right(144)    #向右转144度
        count = count + 1
    turtle.exitonclick()

if __name__ == '__main__':
    main()