Here's some exercises to go over tonight

ruby-exercises.rb

#create your own methods
#create a method with one argument, and print it out
#create a method with two arguments 
#create a method with one argument, which by default is nil
#create a method that returns two values, depending on if an argument is true or false

#take this hash, and use it to make this string. Make sure you use the hash twice, 
#and use string interpolation i.e. "A string #{variable}"

hash = {:dario => "Dario", :leo => "Leo"}
"Hello Dario, Hello Leo"

#Capitalize this array using map
["leo", "aouled", "dario", "ruben"]

#Select from this array only numbers bigger than 10
[15,25,10, 9, 4, 345, 45]