Fix duplicate files and wrong identation

[cristian-aldea]

In this repo, there's a few instances of duplicate code and wrong identation. If they're fixed, it would improve the code quality :)

The two files here are basically duplicates

The indentation in this file is off

[moar82]

Hi Cristian, that is correct.
Just for the record, I'm not taking credit for this example as is not of my authorship. However, I welcome your comments, and I will fix it after the semester ends and no one is working with the code.
If you wish to help you can also submit a pull request with the corresponding fixes. :) Do not hesitate!