The grid geometry manager is easy to understand and perhaps the most useful geometry manager in Tkinter. The central idea of the grid geometry manager is to organize the container frame into a two-dimensional table that is divided into a number of rows and columns. Each cell in the table can then be targeted to hold a widget. In this context, a cell is an intersection of imaginary rows and columns.
Note that in the grid method, each cell can hold only one widget. However, widgets can be made to span multiple cells.
Within each cell, you can further align the position of the widget using the sticky option. The sticky option decides how the widget is expanded. If its container cell is larger than the size of the widget ...
