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()
@@ -13,7 +19,7 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
 
 def register():     # 注册验证
-    pass
+    app_reg
 
 def login():    # 登录验证
     pass