ruby each with index hash 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 iterate hash with index

hash.each_with_index do |(key, value), index|
	# ...
end