save project

diy2.py

@@ -5,10 +5,8 @@ while True:
     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
-    if name != username:
-        print("用户名错误!请重新输入")
-        continue
-    if password != userpassword:
-        print("密码错误!请重新输入")
+    elif name != usename:
+        print("用户名和密码错误!请重新输入") 
+    elsepassword != userpassword:
+        print("用户名和密码错误!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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