Chapter Review 
=========================

Review questions

    
#.  Which is more efficient in general:  
    searching for an element of a list or finding the
    value given a key in a dictionary?

       .. #.  How is the type declaration for a generic type distinctive?

.. #.  The constructors for collections like a List are all overloaded.
..     What forms are allowed in general?


.. #.  How is a ``HashSet`` different than a ``List``?

.. #.  What syntax is shared between a ``List`` and a ``HashSet``?