Tuples and Lists

Question 1

tuples are _____

Answer 1

immutable

Question 2

Creating a tuple in python

Answer 2

> > > marx_tuple = (‘Groucho’, ‘Chico’, ‘Harpo’)

Question 3

tuple() function

Answer 3

> > > marx_list = [‘Groucho’, ‘Chico’, ‘Harpo’]
tuple(marx_list)
(‘Groucho’, ‘Chico’, ‘Harpo’)

Question 4

You can combine tuples using ___

Answer 4

+
»> (‘Groucho’,) + (‘Chico’, ‘Harpo’)
(‘Groucho’, ‘Chico’, ‘Harpo’)

Question 5

Duplicating itesm in utple using *

Answer 5

> > > (‘yada’,) * 3
(‘yada’, ‘yada’, ‘yada’)

Question 6

Can you directly modify a tuple?

Answer 6

No

Question 7

You can ______ tupes to make a new one as you can with strings

Answer 7

concatenate

Question 8

Lists in python are _____

Answer 8

mutable

Question 9

You can make an empty list using the _____ function

Answer 9

list()

Question 10

Making an empty list

Answer 10

empty_list = [ ]

Question 11

you can use ____ function to chop a string into a list by some separator

Answer 11

split()
»> talk_like_a_pirate_day = ‘9/19/2019’
»> talk_like_a_pirate_day.split(‘/’)
[‘9’, ‘19’, ‘2019’]

Question 12

> > > marxes = [‘Groucho’, ‘Chico’, ‘Harpo’]
Hwo to get first item

Answer 12

marxes[0]

Question 13

How to get first two elements

Answer 13

> > > marxes = [‘Groucho’, ‘Chico’, ‘Harpo’]
marxes[0:2]
[‘Groucho’, ‘Chico’]

Question 14

How to reverse a list

Answer 14

.reverse()

Question 15

How to appendx ‘Zeppo’ to end of this list?
»> marxes = [‘Groucho’, ‘Chico’, ‘Harpo’]

Answer 15

> > > marxes.append(‘Zeppo’)
marxes
[‘Groucho’, ‘Chico’, ‘Harpo’, ‘Zeppo’]

Question 16

How to insert a string at a given index in this list
»> marxes = [‘Groucho’, ‘Chico’, ‘Harpo’]

Answer 16

> > > marxes.insert(2, ‘Gummo’)

Question 17

Duplicate items with __

Answer 17

*

Question 18

Combine lists using ____ or ___

Answer 18

extend(), +, +=

Question 19

How to change 3rd item from Harpo to Wanda
»> marxes.insert(2, ‘Gummo’)

Answer 19

> > > marxes[2] = ‘Wanda’

Question 20

How to change 2nd and third items to 8 and 9
»> numbers = [1, 2, 3, 4]

Answer 20

> > > numbers[1:3] = [8, 9]

Question 21

How to deleet Karl from list
»> marxes = [‘Groucho’, ‘Chico’, ‘Harpo’, ‘Gummo’, ‘Karl’]

Answer 21

> > > del marxes[-1]

Question 22

You can also delete at item using the _____ function

Answer 22

remove()

Question 23

> > > marxes = [‘Groucho’, ‘Chico’, ‘Harpo’, ‘Zeppo’]
How to pop of the last element?

Answer 23

> > > marxes.pop()
‘Zeppo’
marxes
[‘Groucho’, ‘Chico’, ‘Harpo’]

Question 24

How to find index of Chico
»> marxes = [‘Groucho’, ‘Chico’, ‘Harpo’, ‘Zeppo’]

Answer 24

> > > marxes.index(‘Chico’)
1

Question 25

How to chekc if Groucho is in marxes >>> marxes = ['Groucho', 'Chico', 'Harpo', 'Zeppo']

Answer 25

>>> 'Groucho' in marxes True >>> 'Bob' in marxes False

Question 26

Count occurrences of value with ____

Answer 26

count

Question 27

*The list method _____ sorts the list itself, in place.

Answer 27

sort()

Question 28

*The general function ____ returns a sorted copy of the list.

Answer 28

sorted()

Question 29

You can copy the values of a list to an independent, fresh list by using any of these methods:

Answer 29

- The list copy() method *The list() conversion function *The list slice [:]

Question 30

How to iterate over a list

Answer 30

>>> cheeses = ['brie', 'gjetost', 'havarti'] >>> for cheese in cheeses: ... print(cheese)

Question 31

Lists can contain elements of different types, including other lists, as illustrated here:

Answer 31

>>> small_birds = ['hummingbird', 'finch'] >>> extinct_birds = ['dodo', 'passenger pigeon', 'Norwegian Blue'] >>> carol_birds = [3, 'French hens', 2, 'turtledoves'] >>> all_birds = [small_birds, extinct_birds, 'macaw', carol_birds]