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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
                :-: **6.畫五個同心圓** 1.首先繪制一個圓邊框是紅色,填充是黃色的圓 ![](http://h.yiniuedu.com/1bb077b53c10f37dab2f6994e53aa3cd) ``` import turtle as t t.pensize(2)?#畫筆的寬度 t.penup()?#拿起畫筆 t.goto(0,-200)?#移動到坐標(0,-200) t.pendown()?#落筆–畫筆和畫布接觸 t.color("red","yellow")?#(pencolor=color1,fillcolor=color2)color1是畫筆顏色,color2是填充顏色 t.begin_fill()?#開始填充顏色 t.circle(200)?#畫半徑為200(像素)的圓 t.end_fill()?#結束填充 t.done() ``` 2.第二步再繪制五個同心圓 ![](http://h.yiniuedu.com/4441a98ba82c2cd9ce5237c868632ce6) ``` from turtle import * for i in range(5): pensize(5) #畫筆寬度 penup() goto(0,-i * 10) #畫筆每次從(0,-i*10)開始畫 pendown() circle(5 + i * 10 ) #畫一個半徑為5+i*10的圓 done() #完成 ```
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                              哎呀哎呀视频在线观看