PCEP 3.5

Question 1

use the sort() method to sort elements of a list

Answer 1

lst = [5, 3, 1, 2, 4]
print(lst)

lst.sort()
print(lst) # outputs: [1, 2, 3, 4, 5]

Question 2

use the revers method to reverse a list.

Answer 2

lst = [5, 3, 1, 2, 4]
print(lst)

lst.reverse()
print(lst) # outputs: [4, 2, 1, 3, 5]

Question 3

What is the output of the following snippet?

lst = [“D”, “F”, “A”, “Z”]
lst.sort()

print(lst)

Answer 3

[‘A’, ‘D’’ ‘F’, ‘Z’]

Question 4

a = 3
b = 1
c = 2

lst = [a, c, b]
lst.sort()

print(lst)

Answer 4

[1, 2, 3]

Question 5

What is the output of the following snippet?

a = “A”
b = “B”
c = “C”
d = “ “

lst = [a, b, c, d]
lst.reverse()

print(lst)

Answer 5

[’ ‘, ‘C’, ‘B’, ‘A”]