save project

diy4.py

@@ -6,9 +6,8 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登陆成功！")
         print("登陆成功！")
         break
         break
-    if name != username:
+    elif name != username:
         print("用户名不存在，请重新输入")
         print("用户名不存在，请重新输入")
-        continue
-    if password != userpassword:
+    else:
         print("密码输入错误，请重新输入")
         print("密码输入错误，请重新输入")
 print("欢迎来到贝尔编程！")
 print("欢迎来到贝尔编程！")
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