Lists

Question 1

A list

Answer 1

used to store multiple items in a single variable

Question 2

2d lists

Answer 2

A list of lists

Question 3

List example
Name of list: Food
Items in list: pie,cream and waffles

Answer 3

Food = [“pie”, “cream”, “waffles”]

Question 4

Finding the first index of “Food”

Food = [“pie”, “cream”, “waffles”]

Answer 4

Food[0]

Question 5

2D list example

The 2D list “Food” made up of variables such as breakfast,lunch,dinner

Answer 5

Food = [breakfast,Lunch,Dinner]

Question 6

Finding the second index of the second list in a 2D list:

Answer 6

List_name[1][1]

Question 7

Tuple

Answer 7

Collection which is ordered and h changeable
-used to group together related data

Question 8

Is a bracket or square bracket used in a tuple?

Answer 8

() bracket

Question 9

Example of tuple:
This tuple is called creator
And contains Alex,15 and male

Answer 9

Creator = (“Alex”,15,”male”)

Question 10

sets

Answer 10

A collection which is unordered,unindexed and has no duplicate values
(Uses {} curly brackets)

Question 11

Set example:
Set is called children and contains Billy,Timothy and Johnathan

Answer 11

Children = {“Billy”,”Timothy”,”Johnathan”}

Question 12

Dictionary

Answer 12

A changeable, unordered collection of unique key: value pairs

-a fast because they use hashing meaning values can be accessed quickly

Question 13

Dictionary example:
Name of dictionary is Animals
Contains the keys:Reptiles,birds,amphibians

Answer 13

Animals = {‘reptiles’: ‘lizard’, ‘birds’: ‘parrots’ , ‘amphibians’: ‘frog’}

Question 14

“Items” in a dictionary

Answer 14

Refers to the key and value in dictionaries

Question 16

What does .items() do in a dictionary?

Answer 16

It gives access to the keys values