Updating excel files from closed worksheets
If you have a newer version and want to see what additional features may be available to you, you can check out the full documentation for Open Py XL at data type is explained further in Chapter 16.
Specifying a column by letter can be tricky to program, especially because after column Z, the columns start by using two letters: AA, AB, AC, and so on.
print('Reading rows...') ❹ for row in range(2, sheet.max_row 1): # Each row in the spreadsheet has data for one census tract.
We now have a file that can be read by Excel and other spreadsheet applications.
In the next sections we will see how we can use the Xlsx Writer module to add formatting and other Excel features.
You can download the complete program from Many businesses and offices use Excel to store various types of data, and it’s not uncommon for spreadsheets to become large and unwieldy.
Any program that parses an Excel spreadsheet has a similar structure: It loads the spreadsheet file, preps some variables or data structures, and then loops through each of the rows in the spreadsheet.