Fix typo
Fix __str__ method in Point class example

You can't concatenate str and float objects like that, you even
had a slide emphasising this point earlier in the presentation.

They're big boys and girls, just use format.
Yet another typo fix
Remove $ from example, it is confusing
Merge pull request #1 from minuteman3/typo-fix

Fix typo
Merge pull request #2 from minuteman3/fix-point-example

Fix __str__ method in Point class example
Merge pull request #3 from minuteman3/fix-confusing-example

Remove $ from example, it is confusing
Switch for str.format
Fixes + new slide
Comprehension slides
Remove unneeded paragraph tag
close yer sections
More fragmenting
Move info around
Added CTA
Fix unclosed HTML element