I've been using xlrd to extract a column from an Excel spreadsheet with a Python script on my MacBook Pro laptop. With xlrd, you can read data from cells in a workbook by specifying a specific sheet and the cells from which you wish to extract the data in spreadsheet programs, such as Microsoft Excel, Apache OpenOffice Calc, or LibreOffice Cale.
With spreadsheet applications you normally have rows sequenced by numbers and columns sequenced by alphabetical characters. With xlrd, though, both rows and columns are specified by numbers with the first row starting at 0 and the first column starting at 0 as well.
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