Data Abstraction

Multiple Choice

What is a list?

• ordered sequence of events

• sequence of events

• Events in no sequential order

• to apply for an action.

Multiple Select

A ________ would be an example of a list

• Song playlist

• phone contacts

• crossword puzzle

Fill in the Blanks

An element is an ________ ________ in a list that is assigned a unique index.

Fill in the Blanks

An ordered sequence of characters is called

Multiple Choice

The index for our list index (for purposes of the AP exam) start at:

• 4

• 3

• 1

• 2

Multiple Choice

Answer question in image

• -1

• 7.5

• "Pat Smith"

• 9

Multiple Choice

Answer question in image

• "Jose"

• "Jeff"

• "o"

• "e"

Multiple Choice

The elements in your list index can start lower than 1 and go on beyond your elements without crashing your computer program.

• True

• False

Multiple Select

An empty list MAY look like...

Multiple Choice

What are the contents of scores1 after the code segment is executed?

• [89, 78,92,63,95,88]

• [89,78,92,63,95,88,

  92,79,97,63]

• [92,79,97,6389,78, 92,63,95,88]

• [92,79,63]

Multiple Choice

What are the contents listA after the code segment is executed?

• ["Jamal", "Tamara", "Sam", "Ann"]

• ["Sam, "Ann"]

• ["Jamal", "Tamara"]

• ["Sam", "Ann","Jamal", "Tamara"]

Multiple Select

Which of the following scenarios illustrate the benefit of using a lists as data abstraction in a program to manage complexity?

*choose two answers*

• keep track of customers in a line to check online.

• Prevent the same number to be entered for exam scores

• Keep track of every single input value during program execution

• Curve every value by 2 points for a set of exam scores

Open Ended

Write a line of code using a list to manage the complexity and readability of this code.