# File lib/t/cli.rb, line 233
    def does_contain(list, user=nil)
      owner, list = list.split('/')
      if list.nil?
        list = owner
        owner = @rcfile.active_profile[0]
      else
        owner = if options['id']
          client.user(owner.to_i).screen_name
        else
          owner.strip_ats
        end
      end
      if user.nil?
        user = @rcfile.active_profile[0]
      else
        user = if options['id']
          user = client.user(user.to_i).screen_name
        else
          user.strip_ats
        end
      end
      if client.list_member?(owner, list, user)
        say "Yes, @#{owner}/#{list} contains @#{user}."
      else
        say "No, @#{owner}/#{list} does not contain @#{user}."
        exit 1
      end
    end