auto save

diy2.py

+
 username = "python"
 userpassword = "123456"
 while True:
@@ -8,8 +9,6 @@ while True:
         break
     if name != username:
         print("用户名错误!请重新输入")
-        continue     
-    if password != userpassword:
+    elif password != userpassword:     
         print("密码错误!请重新输入")
-        continue
 print("欢迎来到贝尔编程!")
\ No newline at end of file