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1. local variable, instance variable, creation of an Object using User class, get method of User class, set method of User class
2. By using the keyphrase "include [Module Name here]"
3. class variable uses two '@@' instead of one and can be called using "self" under Class
4. it allows you to get and set the instance variables within the class
5. This is a get method of a class called Dog
6. subclassing uses "<" instead of 'Include'
7. def initialize (name)
@name = name
end
8. yes
9. you need install 'pry' and then 'require pry' in the beginning of the document and insert the word 'binding.pry' in a particular section of the code where you want the code to stop executing so
that you can verify whether it's working properly up to that point