11. Python is unique in that it has a built-in container type that implements a general mapping (dictionaries).

12. Python dictionary keys must be immutable objects. 13. Looking up an item in a Python dictionary is a (n) operation. 13. Looking up an item in a Python dictionary is a (n) operation. 14. a. Using the Deck and Hand classes from this chapter, write snippets of code to do each of the following: a) Print out the names of all 52 cards. b) Print out the names of 13 random cards.

b. Choose 13 cards at random from a 52-card deck and show the cards in value order (Bridge hand order).

c. Deal and display four 13-card hands dealt from a shuffled deck.