save project

diy1.py

-a='lhs'
-b='2123025'
-aa=input('请输入账号')
-bb=input('请输入账号密码')
-if a==aa and b==bb:
-    print('登录成功')
\ No newline at end of file
+a="lhs"
+b="2123025"
+while True:
+    aa=input("请输入账号")
+    bb=input("请输入账号密码")
+    if a==aa and b==bb:
+        print("输入成功")
+        break
+    print("输入错误")
+print("欢迎来到贝尔编程")