creating ruby file ex4.rb to work with variables and names
adding code to print the results on screen
creating an empty ex5.rb to work with more variables and printing
adding more variables and printing them
creating an empty ruby file ex6.rb to work with strings
declaring two names and printing one of the name
printing the second name
adding an alternative way to print using interpolation
adding more complex variables and printing them
adding an s to put so as it becomes puts
adding a ruby file ex7.rb to work on more printing
adding more variables and more printing for those variables
displaying the results using puts insteady of print