5/19/20 - Today I learned how to commit and upload changes to files to Git and GitHub, with notes indicating what the changes do.
5/20/20 - Learned how to use JSON notation for symbols when defining a hash (symbol: value instead of :symbol => value)
5/20/20 - Learned that one can use attr_reader, attr_writer, and attr_assessor in a class, rather than having to create individual getter and setter methods (these shortcuts will create those methods automatically in Ruby).
5/21/20 - An 'unless' statement is the opposite of an if statement, will run only if condition is false. An 'until' loop is the loop equivalent of the 'unless' statement (as an 'if' statement is to a 'while' loop).
5/21/20 - Can use '<' for a class to inherit methods from another class, i.e. class Giraffe < Animal
5/22/20 - Ruby has a method Array.include?(element) to return true or false, based on whether an array includes the specified element.
5/25/20 - Learned how to set up a local server usin
