Most Active Cookie

When given a cookie log CSV file in the following format:

cookie,timestamp
AtY0laUfhglK3lC7,2018-12-09T14:19:00+00:00
SAZuXPGUrfbcn5UA,2018-12-09T10:13:00+00:00
5UAVanZf6UtGyKVS,2018-12-09T07:25:00+00:00
AtY0laUfhglK3lC7,2018-12-09T06:19:00+00:00
SAZuXPGUrfbcn5UA,2018-12-08T22:03:00+00:00
4sMM2LxV07bPJzwf,2018-12-08T21:30:00+00:00
fbcn5UAVanZf6UtG,2018-12-08T09:30:00+00:00
4sMM2LxV07bPJzwf,2018-12-07T23:30:00+00:00

This command line program will return the most active cookie(s) for a specified day, with "active" being defined as the one(s) seen the most times during a given day.

Prerequisites

This program is written in Python 3.8, which will need to be installed onto your system accordingly. Additionally, the test file uses pytest, which will also need to be installed.

Moreover, this program was run and tested in Ubuntu WSL on Windows 11. While there is no guarantee that this program will work on other operating systems, it likely should work on Windows 10, Linux, and Unix as well.

Instructions

Within terminal, you can run the most_active_cookie.py file as so:

python3 most_active_cookie.py file.csv -d yyyy-mm-dd

With file.csv being the name of the CSV file and yyyy-mm-dd being the timestamp date accordingly.

To run the test_most_active_cookie.py file, you simply type: pytest -v

Example

To see the most active cookie on 2018-12-09 in the provided cookie_log.csv file, type:

python3 most_active_cookie.py cookie_log.csv -d 2018-12-09

Which should output: AtY0laUfhglK3lC7