the_count = [1, 2, 3, 4, 5] fruits = ["apples", "oranges", "pears", "apricots"] change = [1, "pennies", 2, "dimes", 3, "quarters"] # this first kind of for-loop goes through a list # in a more traditional style found in other languages # for number in the_count # puts "This is count #{number}" # end the_count.each do |number| puts "This is count #{number}" end # same as above, but in a more Ruby style # this and the next one are the preferred # way Ruby for-loops are written fruits.each do |fruit| puts "A fruit of type: #{fruit}" end # also we can go through mixed lists too # note this is yet another style, exactly like above # but a different syntax (way to write it). change.each { |i| puts "I got #{i}" } # we can also build lists, first start with an empty one elements = [] # then use the range operator to do 0 to 5 counts 6.times do |i| puts "adding #{i} to the list." # pushes the i variable on the *end* of the list elements.push(i) end # now we can print the out too elements.each { |i| puts "Element was: #{i}" }