ruby hash each code example

Example 1: ruby each array

a = [ "a", "b", "c" ]
a.each {|x| print x, " -- " }

Example 2: ruby each

(1..5).each do |counter|
  puts "iteration #{counter}"
end
#=> iteration 1
#=> iteration 2
#=> iteration 3
#=> iteration 4
#=> iteration 5