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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                #### 3.正方形 繪制如下圖形,邊長80 ![](http://h.yiniuedu.com/faa8268a2d68218bec1f8bade2683746) ``` from turtle import * setup(600,400) title("正方形") penup() goto(-100,32) pendown() begin_fill() for i in range(4): forward(80) right(90) end_fill() hideturtle() done() ``` 使用 turtle 庫的 turtle.fd() 函數和 turtle.seth() 函數繪制一個邊長為 200 的正方形,效果如下圖所示。 ![](http://h.yiniuedu.com/be318ae03cf3b4f91e39bef567106669) ``` import turtle d?=?0 for i in range(4): turtle.fd(200) d=d+90 turtle.seth(d) turtle.done() ```
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