From 4d79672080509fed73dde7bb138b3a864640500f Mon Sep 17 00:00:00 2001
From: bo yu <1131672768@qq.com>
Date: Sun, 21 May 2023 15:32:29 +0800
Subject: [PATCH] delete

---
 README.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/README.md b/README.md
index 53c82fc..3e0b5df 100644
--- a/README.md
+++ b/README.md
@@ -379,6 +379,15 @@ Step 2: 显示图表
 ![](pictures/make_chart.drawio.svg)
 
 
+#### delete_data
+
+Step 1: 输入学号
+Step 2: if 不存在 then 提示学生不存在并结束
+Step 3: else 删除学生信息
+Step 4: 提示删除成功
+![](pictures/delete.drawio.svg)
+
+
 #### confirm
 
 Step 1: 输出 确定要退出吗