What value to set the fore_colour in the generated Python excel spreadsheet so that the cell had no fill?

If you specify one of the standard settings, such as white, the cell is white, but it will not have borders. Ie, we need a parameter value that the cell had no fill.
July 8th 19 at 15:23
1 answer
July 8th 19 at 15:25
What library is used?

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