created people.rb and added student and teacher classes, also added methods for teach and learn.
added parent class to teacher and students, added attribute reader writer and defined initialize with name
changed parent class to just incasing initialize method and the greeting. then with < inherrited parent onto student and instructure. assigned name chris and cristina for instructor and student
created Rover a mars robot that can move L R and faces N E S W.problem solved through looking at the main object rover as the parent class then defining the states and commands.
working on sales_tax.rb and have started to think about possible structures one without class one with