3.times do |i| # from 0 to 2 p i end 3.downto(-1) do |i| # from 3 to -1 p i end 3.upto(7) do |i| # from 3 to 7 p i end 0.step(100,5) do |i| # from 0 to 100 step by 5 p i end
3.times do |i| # from 0 to 2 p i end 3.downto(-1) do |i| # from 3 to -1 p i end 3.upto(7) do |i| # from 3 to 7 p i end 0.step(100,5) do |i| # from 0 to 100 step by 5 p i end