save project

diy1.py

@@ -8,18 +8,16 @@ while True:
     
     
 
 
     # 如果用户输入的账号、密码正确，提示登陆成功
     # 如果用户输入的账号、密码正确，提示登陆成功
-    if username == username1 and userpassword == userpassword1:
+    if username != username1:
+        print("用户名错误")
+        continue
+    elif userpassword != userpassword1:
+        print("密码错误")
+    elif username == username1 and userpassword == userpassword1:
         print("输入正确")
         print("输入正确")
         break
         break
 
 
-    else:
-        if username != username1:
-            print("用户名错误")
-        elif userpassword != userpassword1:
-            print("密码错误")
+
+        
         
         
             
             
-            
-
-
- 
\ No newline at end of file