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....Hiding Rows and Columns self . hide_rows_columns () # Showing Rows...Rows and Columns self . unhide_rows_columns () def hide_rows_columns...