Question 1

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 2

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)   organizationE) All of the above
F) A) and C)

Question 3

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 ]E) A) and D)
F) B) and C)

Question 4

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

Accepted Answer

A)   in
B)   ==
C)   @
D)   isE) A) and D)
F) A) and B)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

A collection contains at least one item.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

A)   sizeof
B)   len
C)   count
D)   totalE) A) and D)
F) None of the above

Question 8

Which object type is immutable?

Accepted Answer

A)   list
B)   set
C)   dict
D)   tupleE) A) and B)
F) A) and D)

Question 9

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 orderE) A) and D)
F) All of the above

Question 10

Which type of collection is ordered by position?

Accepted Answer

A)   linear
B)   hierarchical
C)   graph
D)   sortedE) A) and B)
F) A) and C)

Exam 2: An Overview of Collections

A collection contains at least one item.

Correct Answer
verified

Which object type is immutable?

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

In what order are dictionary items visited during an iteration?

Correct Answer
verified

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

Correct Answer
verified

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.

Correct Answer
verified

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

Correct Answer
verified

Which type of collection is ordered by position?

Correct Answer
verified

Exam 2: An Overview of Collections

A collection contains at least one item.

Correct AnswerverifiedShow Answer

Which object type is immutable?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In what order are dictionary items visited during an iteration?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which type of collection is ordered by position?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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