save project

diy2.py

@@ -2,15 +2,14 @@ username = "python"
 userpassword = "114514"
 while True:
     name = input("请输入用户名:")
+    if name!=username:
+        print("用户名错误")
+        continue
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    else:
-        if name!=username and password!=userpassword:
-            print("请重新输入")
-        elif name!=username:
-            print("用户名错误")
-        elif password!=userpassword:
-            print("密码错误")
+    
+    elif password!=userpassword:
+        print("密码错误")
 print("欢迎来到贝尔编程!")
\ No newline at end of file