arr = [1, 2, 3, 4, 5] arr.each {|a| print a -= 10, " "} # prints: -9 -8 -7 -6 -5 #=> [1, 2, 3, 4, 5]# For Ruby arr = ['a', 'b', 'c'] arr.each do |item| puts item endarray = [1, 2, 3, 4, 5, 6] array.each { |x| puts x }numbers = [0, 1, 2, 3] for element in numbers do puts element end# For Ruby arr = ['a', 'b', 'c'] arr.each { |item| puts item }array = ["A", "B", "C"] array.each_with_index {|val, index| puts "#{val} => #{index}" } # Output: A => 0 B => 1 C => 2