Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....RowsAndColumns ' # Hiding Rows and Columns self . hide_rows_columns () # Showing...Showing Rows and Columns self . unhide_rows_columns () def hide_rows_columns...