xxxxxxxxxx
colors = ['red', 'green', 'blue']
colors.each_with_index do |item, index|
p "#{index}:#{item}"
end
"0:red"
"1:green"
"2:blue"
xxxxxxxxxx
X.each_with_index do |item, index|
puts "current_index: #{index}"
end
xxxxxxxxxx
fruits = ["apple", "banana", "orange"]
fruits.each_with_index do |fruit, index|
puts "#{index}: #{fruit}"
end