def descendingOrderCheck(_ordered_list):
    """
        Check whether the input list is ordered descending. 
        
        :param _ordered_list: The input list that is ordered by descending order         
        :return: returns true if order of _ordered_list is descending else returns false.
    """       
    return all(earlier >= later for earlier, later in zip(_ordered_list, _ordered_list[1:]))