Table 2. Column and row configuration options for the .grid() geometry manager
minsize The column or row's minimum size in pixels. If there is nothing in the given column or
row, it will not appear, even if you use this option.
pad A number of pixels that will be added to the given column or row, over and above the
largest cell in the column or row.
weight To make a column or row stretchable, use this option and supply a value that gives the
relative weight of this column or row when distributing the extra space. For example, if
a widget w contains a grid layout, these lines will distribute three-fourths of the extra
space to the first column and one-fourth to the second column:
w.columnconfigure(0, weight=3)
w.columnconfigure(1, weight=1)
If this option is not used, the column or row will not stretch.
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