auto save

my_app.py

 import tkinter
 import tkinter
+from tkinter import messagebox
 
 
+with open s
 def login_to_reg():
 def login_to_reg():
     app_login.root.destroy()
     app_login.root.destroy()
     global app_reg
     global app_reg
@@ -13,7 +15,11 @@ def reg_to_login():   # 注册界面转登录界面
     app_login.show()
     app_login.show()
 
 
 def register():     # 注册验证
 def register():     # 注册验证
-    pass
+    name,password1,password2 = app_reg.get_input()
+    if name == "" or password1=="" or password2=="":
+        messagebox.showwarning()
+    elif name in users:
+        mess
 
 
 def login():    # 登录验证
 def login():    # 登录验证
     pass    
     pass