each slice in ruby code example

Example 1: ruby each with index

colors = ['red', 'green', 'blue']
colors.each_with_index do |item, index|
	p "#{index}:#{item}" 
end

"0:red"
"1:green"
"2:blue"

Example 2: ruby each

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