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()
     global app_reg
@@ -22,6 +26,9 @@ def register():     # 注册验证
         messagebox.showwarning("错误，两次密码不一致!")
     else:
         users[name]=password1
+    with open("user.txt","w",encoding='utf-8') as f:
+    info=f.read()
+    users=json.loads(info)
 def login():    # 登录验证
     pass