auto save

diy2.py

@@ -2,13 +2,13 @@ username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
+    if name != username:
+        print("账号错误")
+        continue
     password = input("请输入密码:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
         break
         break
-    if name != username:
-        print("账号错误")
-        continue
     if password != userpassword:
     if password != userpassword:
         print("密码错误")
         print("密码错误")
     print("用户名和密码错误!请重新输入")
     print("用户名和密码错误!请重新输入")