bisturi py rename: 2 edits in 2 file(s)

bisturi py rename: 2 edits in 2 file(s): a task in bisturi-harbor (Harbor dataset). Rename the function count catalog to change catalog , updating its definition, imports and calls in carrello.py , app.py ; then in app.py , right after the comment NOTE: empty case add the line print("processing…

The task

Rename the function `count_catalog` to `change_catalog`, updating its definition, imports and calls in `carrello.py`, `app.py`; then in `app.py`, right after the comment `# NOTE: empty case` add the line `print("processing started")`, with the same indentation as the comment. Do not change anything else.

Part of efederici/bisturi-harbor.