...It's a string-based solution that allows you to present data converted to strings in ASCII-Style tables. Actually, the class doesn't support different dimensions for each row and column.
Textgrid is an ASCII-Style table, easyly writable to a text file. It supports various operations, like writing in its cells, adding or deleting rows and columns, changing the measures of cells, and more. Textgrids allow to simply import/export text in tables that can be viewed with a simple txt reader, and also to store text in an object that can be easily printed whenever you want in your python application.