User talk:2409:4055:9E:8F38:2977:D127:69EF:C97D

July 2021
Hello, I'm SunDawn. I wanted to let you know that I reverted one of your recent contributions—specifically this edit to Data structure—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. SunDawn talk  05:05, 9 July 2021 (UTC)

Please refrain from making unconstructive edits to Wikipedia, as you did at Data structure. Your edits appear to constitute vandalism and have been reverted. If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. SunDawn talk  05:09, 9 July 2021 (UTC)