auto save

diy2.py

@@ -2,14 +2,12 @@ username = "6789"
 userpassword = "123456"
 while True:
     a = input("请输入用户名:")
-    if a != username:
-        print("用户名错误！重输！BD")
-        continue
     b = input("请输入密码:")
-    if b != userpassword:
-        print("密码错误！重输！BD")
-        continue
     if a == username and b == userpassword:
         print("登录成功!")
         break
+    if a != username:
+        print("用户名错误！重输！BD")
+    if b != userpassword:
+        print("密码错误！重输！BD")
 print("欢迎来到贝尔编程!")
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