Question 1

Which type of collection is ordered by position?

Accepted Answer

A)  linear 
B)  hierarchical 
C)  graph 
D)  sorted 
A)  linear 
B)  hierarchical 
C)  graph 
D)  sorted

Question 2

In what order are dictionary items visited during an iteration?

Accepted Answer

A)  the order in which they were added 
B)  ascending, by key value 
C)  descending, by item value 
D)  no particular order 
A)  the order in which they were added 
B)  ascending, by key value 
C)  descending, by item value 
D)  no particular order

Question 3

Without abstraction, you would need to consider all aspects of a software system simultaneously.

Accepted Answer

A) True 
 B)False

Question 4

When collections share mutable items, a deep copy using a for loop should be used to explicitly clone items before adding them to a new collection.

Accepted Answer

A) True 
 B)False

Question 5

Which operator can you use to test for item membership in a collection?

Accepted Answer

A)  in 
B)  == 
C)  @ 
D)  is 
A)  in 
B)  == 
C)  @ 
D)  is

Question 6

What is the value of aList after the following code is executed?
AList = [ 1, 2, 3 ]
AList.remove(2)

Accepted Answer

A)  [ 1, 2 ] 
B)  [ 1, 3 ] 
C)  [ 3 ] 
D)  [ 1 ] 
A)  [ 1, 2 ] 
B)  [ 1, 3 ] 
C)  [ 3 ] 
D)  [ 1 ]

Question 7

A collection contains at least one item.

Accepted Answer

A) True 
 B)False

Question 8

Which Python function returns the total number of items in a collection?

Accepted Answer

A)  sizeof 
B)  len 
C)  count 
D)  total 
A)  sizeof 
B)  len 
C)  count 
D)  total

Question 9

What is a group of zero or more items that can be operated on as a unit?

Accepted Answer

A)  grouping 
B)  collection 
C)  array 
D)  organization 
A)  grouping 
B)  collection 
C)  array 
D)  organization

Question 10

Which object type is immutable?

Accepted Answer

A)  list 
B)  set 
C)  dict 
D)  tuple 
A)  list 
B)  set 
C)  dict 
D)  tuple

Which type of collection is ordered by position?

In what order are dictionary items visited during an iteration?

Without abstraction, you would need to consider all aspects of a software system simultaneously.

When collections share mutable items, a deep copy using a for loop should be used to explicitly clone items before adding them to a new collection.

Which operator can you use to test for item membership in a collection?

What is the value of aList after the following code is executed? AList = [ 1, 2, 3 ] AList.remove(2)

A collection contains at least one item.

Which Python function returns the total number of items in a collection?

What is a group of zero or more items that can be operated on as a unit?

Which object type is immutable?

Basic Python Programming

Searching, Sorting, and Complexity Analysis

Arrays and Linked Structures

Interfaces, Implementations, and Polymorphism

Inheritance and Abstract Classes

Stacks

Queues

Lists

Trees

Sets and Dictionaries

Graphs

Filters

Exam 2: An Overview of Collections

Which type of collection is ordered by position?

In what order are dictionary items visited during an iteration?

Without abstraction, you would need to consider all aspects of a software system simultaneously.

When collections share mutable items, a deep copy using a for loop should be used to explicitly clone items before adding them to a new collection.

Which operator can you use to test for item membership in a collection?

What is the value of aList after the following code is executed? AList = [ 1, 2, 3 ] AList.remove(2)

A collection contains at least one item.

Which Python function returns the total number of items in a collection?

What is a group of zero or more items that can be operated on as a unit?

Which object type is immutable?

Basic Python Programming

Searching, Sorting, and Complexity Analysis

Arrays and Linked Structures

Interfaces, Implementations, and Polymorphism

Inheritance and Abstract Classes

Stacks

Queues

Lists

Trees

Sets and Dictionaries

Graphs

Filters