def ok(*args)
      options = Utils.extract_options!(args)
      args.each { |message| say message, options.merge(color: :green) }
    end
def ok(*args)
      options = Utils.extract_options!(args)
      args.each { |message| say message, options.merge(color: :green) }
    end
Print statement(s) out in red green.

 @example
   prompt.ok "Are you sure?"
   prompt.ok "All is fine!", "This is fine too."

 @param [Array] messages

 @return [Array] messages

 @api public