python画圆及其内接多边形_python 画任意多边形

importturtle##python中的图形库

colors=["red","yellow","purple","blue","black","green"]

turtle.pensize(2)

turtle.setup(width=800, height=800, startx=400, starty=0)

turtle.pencolor("white")#默认中心点开始，gisoracle

turtle.goto(0,300)for num in range(3,20):

turtle.pencolor(colors[num%6])

angle= 180 - (num - 2) * 180 /numfor i inrange(num):

turtle.begin_fill()

turtle.forward(100)

turtle.right(angle)

turtle.end_fill()

turtle.done()