1. In order to be a valid key for a dictionary, the key must be

a. Hashable

b. An integer

c. A string

d. A non-negative integer

2. In python, dictionaries are implemented as

a. A hash table

b. A linked list

c. A tuple

d. A list

3. Dictionary entries are ordered by position

True

False

4. If our has function is:

def h(x):

return (x + 1) % 12

Then What value will 24 hash to?

a. 0

b. 1

c. 25

d. 12

5. A dictionary can serve as another dictionary key

True

False

6. A company will store all employees in a hash table. Each employee item consists of a name, department, salary, and employee ID number. Which is the most appropriate key?

a. Name

b. Employee ID

c. Salary

d. Department

7. A dictionary entry is accessed by placing a key in curly braces { }.

True

False

8. Executing the following statements produces a KeyError:

prices = {'apples': 1.99, 'oranges': 1.49, 'kiwi': 0.79}

del prices['limes']

True

False

9. In an open hashing scheme, the data at each location within the hashtable is

a. A hash function

b. A tuple

c. A linked list

d. A list