The datetime data type is explained further in Chapter 16. OpenPyXL will automatically interpret the dates in column A and return them as datetime values rather than strings. The row attribute gives us the integer 1, the column attribute gives us 'B', and the coordinate attribute gives us 'B1'. Here, accessing the value attribute of our Cell object for cell B1 gives us the string 'Apples'. Cell objects also have row, column, and coordinate attributes that provide location information for the cell. The Cell object has a value attribute that contains, unsurprisingly, the value stored in that cell. > 'Cell ' + c.coordinate + ' is ' + c.value

> 'Row ' + str(c.row) + ', Column ' + c.column + ' is ' + c.value

> wb = openpyxl.load_workbook('example.xlsx') Enter the following into the interactive shell: Once you have a Worksheet object, you can access a Cell object by its name. The screenshots in this chapter, however, are all from Excel 2010 on Windows 7.

Even if you already have Excel installed on your computer, you may find these programs easier to use. You can download the software from and, respectively. xlsx file format for spreadsheets, which means the openpyxl module can work on spreadsheets from these applications as well. Both LibreOffice Calc and OpenOffice Calc work with Excel’s. These are exactly the sort of boring, mindless spreadsheet tasks that Python can do for you.Īlthough Excel is proprietary software from Microsoft, there are free alternatives that run on Windows, OS X, and Linux. Or you might have to look through hundreds of spreadsheets of department budgets, searching for any that are in the red. Or you might have to go through thousands of rows and pick out just a handful of them to make small edits based on some criteria. For example, you might have the boring task of copying certain data from one spreadsheet and pasting it into another one.

The openpyxl module allows your Python programs to read and modify Excel spreadsheet files. Excel is a popular and powerful spreadsheet application for Windows.

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