algorithms

References:

1. https://en.wikipedia.org/wiki/Sorting_algorithm
2. https://unicode-table.com/en/
3. https://www.toptal.com/developers/sorting-algorithms
4. https://www.youtube.com/user/AlgoRythmics/videos
5. https://stackoverflow.com/questions/1517793/what-is-stability-in-sorting-algorithms-and-why-is-it-important
6. https://visualgo.net/en
7. https://www.analyticssteps.com/blogs/dijkstras-algorithm-shortest-path-algorithm
8. https://stackabuse.com/dijkstras-algorithm-in-python/