这是我自己的一堂课。5.27公开课。
![](https://img.haomeiwen.com/i27912340/95ac57398cf0e20a.png)
【导入】体验游戏。
游戏规则:说出屏幕上文字的颜色(如屏幕显示绿色的“红色”二字,正确结果是绿色)
【抽象建模】
多次循环显示随机颜色的随机文字,显示一秒后消失,再显示下一个。
变量:文字:text,颜色:color;两个随机数:c t
方法:for循环 turtle.write() random.randint() turtle.clear() time.sleep(1) turtle.pencolor()
![](https://img.haomeiwen.com/i27912340/bafb28f784776311.png)
【算法描述】
![](https://img.haomeiwen.com/i27912340/f2769b76ac3e5921.png)
【编写程序 测试运行】
![](https://img.haomeiwen.com/i27912340/e1b2a1cb4c912666.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/6dd6a3863fc90458.png)
![](https://img.haomeiwen.com/i27912340/60656f7495ae5373.png)
![](https://img.haomeiwen.com/i27912340/b7e72c1ab1536f45.png)
![](https://img.haomeiwen.com/i27912340/4e08e5e997b2a790.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/c1a31786544ae3d1.png)
![](https://img.haomeiwen.com/i27912340/fd3895d36023815d.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/9a6d3ab3e9e6f15e.png)
![](https://img.haomeiwen.com/i27912340/fb809026bec3b139.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/b6289363715cfcba.png)
![](https://img.haomeiwen.com/i27912340/8a077fd3a665f1a9.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/febfe270bd522e3c.png)
![](https://img.haomeiwen.com/i27912340/5dcc38c02e0b6d08.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/b925557674885ec5.png)
![](https://img.haomeiwen.com/i27912340/fece111a310d97ba.png)
完成程序代码:
![](https://img.haomeiwen.com/i27912340/46ad59945dee6817.png)
【课堂小结】
![](https://img.haomeiwen.com/i27912340/6654b78367eb6f67.png)
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