save project

diy1.py

@@ -3,9 +3,14 @@ usernames = "123456"
 
 A=input("请输入账号")
 b=input("请输入密码")
-if  username ==A and usernames==b:
+while True:
+    if  username ==A and usernames==b:
+        print("登陆成功")
+    break
+print("欢迎来到贝尔编程")
     
-    
-    print("登陆成功")
-else:
-    print("登陆失败")
+    else:
+        print("登陆失败,请再次输入")
+  
+
+