SLR 9 - Advanced Programming Techniques - part one

Which of the following are types of data structures?

Select all that are correct.

• Arrays

• Lists

• Records

• Tables

• Files

Here is a Python list

data = ["Computer", "Science", "is", "awesome"]

Which item has an index of 2?

• Computer

• Science

• is

• awesome

Here is a 2-dimensional Python list.

scores = [["Bob", 15] , ["Jane", 32] , ["Dave", 4] , ["Lucy", 19]]

Which data is at index scores[3][1]?

• Lucy

• 19

• Dave

• 4

To store larger sets of data that multiple users can access, we use a

(a)  

To store data from a list into a text file, it will be structured as a ...

• record

• constant

• variable

• array

What is the difference between a list and a variable?

• The elements in a list can be changed, while a variable cannot.

• A list can store multiple items while a variable holds only one.

• A list is easier to use than a variable.

• A list can only store integers, while a variable can store any data type.

How can data be stored when a program is not running?

• Lists

• Arrays

• Variables

• Text files

Which of these statements about record structures is NOT true?

• A record structure is a collection of related fields

• A field is a variable

• Each field in a record can have a different data type

• You can create record structures in Python

To find out how many characters are in the string dataStoredHere, which Python function do we use?

• len(dataStoredHere)

• COUNT(dataStoredHere)

• LEN(dataStoredHere)

• dataStoredHere.length

Which Python function will convert a string to all upper-case characters?

data = "here is a string"

• data.toUpper()

• data.upper

• upper(data)

• data.upper()