save project

diy1.py

@@ -7,7 +7,10 @@ a=input('账号：')
 b=input('密码：')
 
 # 如果用户输入的账号、密码正确，提示登陆成功
-if a==username and b==userpassword:
-    print('登陆成功')
-else:
-    print('登陆失败')
\ No newline at end of file
+while True:    
+    if a==username and b==userpassword:
+        print('登陆成功')
+        break
+    else:
+        print('登陆失败')
+print('欢迎来到贝尔编程!')
\ No newline at end of file