Marc,
Apologies for writing in English (the language of this Discussion List).
I have attempted to keep the code in French...
Thanks for this question. If it's OK with you, I would like to use it as
an example-problem (and 'solution') challenge for some future Python
Users' Group meeting
On 6/26/2023 1:46 PM, small marcc via Python-list wrote:
pandas.ExcelWriter
import pandas
This code creates the path to the Excel file where the data will be written. It
checks if the file already exists, and if so, reads the existing data into a
DataFrame. Otherwise, it creates a new empty
pandas.ExcelWriter
import pandas
This code creates the path to the Excel file where the data will be written. It
checks if the file already exists, and if so, reads the existing data into a
DataFrame. Otherwise, it creates a new empty DataFrame. Then it concatenates
the existing data with the
