Calculate the total duration of a course
Level: Intermediate (score: 3)
In this Bite you read in a text file with course times (MM:SS) per video.
You extract these and calculate the total course duration in HH:MM:SS.
See the docstrings and tests for more details.
Have fun and we hope you learn a thing or two.
Trivia: in honor of our Code Challenges Pilot: this was the exercise we used to test the waters when we started out :)