save project

my_app.py

 import tkinter
+from tkinter import messagebox
+import json
+
+with open("user.txt","r",encoding="utf-8") as f:
+    info = f.read()
+    users = json.loads(info)
+
 
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()
@@ -24,7 +31,9 @@ def register():     # 注册验证
 
 
 def login():    # 登录验证
-    pass    
+        with open("user.txt","r",encoding="utf-8") as w:
+    info = w.read()
+    users = json.loads(info)
 
 class My_login():       # 登录窗口
     def __init__(self):