auto save

diy2.py

+ue = "python"
+us= "123456"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    
+    if name == ue and password == us:
+        print("密码正确")
+        break
+    if name != ue:
+        print("帐号错误")
+    if password != us:
+        print("密码错误")
+
+
+        
+    
+        print("登录成功!")
+    
+print("欢迎来到贝尔编程!")
\ No newline at end of file