def list(self, size=1000, tree_depth=1):
        """ Creates a random #list

            @size: #int number of random values to include in each @tree_depth
            @tree_depth: #int dict tree dimensions size, i.e.
                1=|[value1, value2]|
                2=|[[value1, value2], [value1, value2]]|

            -> random #list
        """
        if not tree_depth: return self._map_type()
        return list(self.deque(size, tree_depth-1) for x in range(size))