This video will teach you how to add and remove rows and columns Google Sheets workbooks using Google Apps Script.
Please check out this playlist if you'd like to follow along with this series, which aspires to teach Google Apps Script's Spreadsheet App to beginners: https://www.youtube.com/playlist?list=PL_xiAt6o4ZXwUCdOTmaBTtTk2v4QyFrtO
Note: Contrary to the contents of this video, I do know how to spell the word "column" — though I definitely did not spell it correctly at times. My bad!
If you're new programming and would like to learn more about fundamentals that are crucial to following this series, then you can check out my Apps Script fundamentals playlist: https://www.youtube.com/playlist?list=PL_xiAt6o4ZXwYTKr7G6R_ajM7C7UZ32fB