each.rb

number_array = [1, 2, 3]

#take each member of number_array and do something with it
# by storing it in the 'number' variable
number_array.each do |number|
  puts number
end

#so that is the same as

number = number_array[0]
puts number

number = number_array[1]
puts number

number = number_array[2]
puts number