This program reads in a text file containing a list of all the songs a user has been listening to over a time period, performs post-processing, and returns the following information regarding the user's listening habits in the form of the following 3 options:
A list containing all the unique songs the user has been listening to and their play count, starting with the song that is played the most.
A list containing all the unique artists the user has been listening to.
A list containing all the unique albums the user has been listening to.