auto save

DIY4_3.py

@@ -3,11 +3,12 @@ userpassword = "123456"
 while True:
     name = input("请输入用户名:")
     password = input("请输入密码:")
-    if name == username and password == userpassword :
+    if name == username and password == userpassword:
         print("登录成功!")
         break
     if name != username :
         print("用户名不存在，请重新输入！")
+        continue
     if password != userpassword :
         print("密码输入错误，请重新输入！")
 print("欢迎来到贝尔编程!")
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