Google Drive Persistence
Click Link to GoogleDrive button to link to google account. A success message will be displayed if you successfully link to GoogleDrive!
It is a collection of all GoogleDrive-related buttons: Save As, Save, and Open.
Click Save As button to give your program a name and save it as a file into GoogleDrive.
Click Save button to save changes to the currently opened GoogleDrive file. An error message will be displayed if no file has been opened yet.
Click Open button to open a source file from the linked GoogleDrive.