auto save

qq.py

+import tkinter
+from tkinter import messagebox
+
+def login_to_reg()
+    app_login.root.destroy()
+    app_reg = My_register()
+    app_reg.show()
+
+
+def reg_to_login():
+    app_reg.root.destroy()
+    global app_login
+    app_login = My_login()
+    app_login.show()
+    
+
+def My_register
+    name,passworld1,passworld2 = app_reg.get_input()
+    if name == ""or passworld1 ==""passworld2=="":
+    messagebox.showwarning("警告","请填写完整的注册资料")
+
+def login():
+    pass
+
+class My_login():
+    def _init_(self):