Tuples and Lists

Question 1

Tuples

Answer 1

there are different data types: string, integer and float. These data types can all be contained in a tuple as follows:

Question 2

concatenate tuples

Answer 2

tuple2 = tuple1 + (“hard rock”, 10)
tuple2

(‘disco’, 10, 1.2, ‘hard rock’, 10)

Question 3

slicing tuples

Answer 3

tuple2[0:3]

‘disco’, 10, 1.2

Question 4

sort tuples

Answer 4

RatingsSorted = sorted(Ratings)
RatingsSorted

[0, 2, 5, 6, 6, 8, 9, 9, 10]

Question 5

Lists

Answer 5

Lists contain strings, floats and integers
L = [“Michael Jackson”, 10.1,1982,”MJ”,1]
L
[‘Michael Jackson’, 10.1, 1982, ‘MJ’, 1]

Question 6

Use “extend” to add new elements to the list

Answer 6

L = [ “Michael Jackson”, 10.2]
L.extend([‘pop’, 10])
L
[‘Michael Jackson’, 10.2, ‘pop’, 10]

Question 7

Use “append” to add one element

Answer 7

L = [ “Michael Jackson”, 10.2]
L.append([‘pop’, 10])
L
[‘Michael Jackson’, 10.2, [‘pop’, 10]]

Question 8

Changing a list

Answer 8

A = ["disco", 10, 1.2]
print('Before change:', A)
A[0] = 'hard rock'
print('After change:', A)
Before change: ['disco', 10, 1.2]
After change: ['hard rock', 10, 1.2]

Question 9

Deleting an element in a list

Answer 9

print('Before change:', A)
del(A[0])
print('After change:', A)
before change: ['hard rock', 10, 1.2]
After change: [10, 1.2]

Question 10

split

Answer 10

‘hard rock’.split()

[‘hard’, ‘rock’]

Question 11

clone a list

Answer 11

B = A[:]
B
[‘banana’, 10, 1.2]