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@ -388,13 +388,6 @@ Step 3: else 删除学生信息
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Step 4: 提示删除成功
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![](pictures/delete.drawio.svg)
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#### make_chart
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Step 1: 读取文件
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Step 2: 显示图表
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![](pictures/make_chart.drawio.svg)
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#### sort_data
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Step 1: 读取文件
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@ -403,6 +396,14 @@ Step 3: 提示排序已完成
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![](pictures/sort.drawio.svg)
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#### make_chart
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Step 1: 读取文件
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Step 2: 显示图表
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![](pictures/make_chart.drawio.svg)
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#### confirm
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Step 1: 输出 确定要退出吗
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