PCEP Data Structures 2

Question 1

What is the result of `[1, 2, 3] + [4, 5]`?

Accepted Answer

[1, 2, 3, 4, 5]

Answer

[5, 7, 8]

Answer

Error

Answer

[[1, 2, 3], [4, 5]]

Question 2

Which method removes and returns the last element of a list?

Accepted Answer

pop()

Answer

remove()

Answer

del()

Answer

discard()

Question 3

What does `len({'a': 1, 'b': 2, 'c': 3})` return?

Accepted Answer

3

Answer

6

Answer

2

Answer

Error

Question 4

What is the output of `(1, 2, 3)[1:3]`?

Accepted Answer

(2, 3)

Answer

(1, 2)

Answer

(1, 2, 3)

Answer

(3,)

Question 5

Which of the following creates an empty set?

Accepted Answer

set()

Answer

{}

Answer

[]

Answer

()

Question 6

What happens when you try to change a value in a tuple?

Accepted Answer

A TypeError is raised

Answer

The value is updated

Answer

A ValueError is raised

Answer

The tuple is converted to a list

Question 7

What is the result of `list(range(0, 10, 3))`?

Accepted Answer

[0, 3, 6, 9]

Answer

[0, 3, 6, 9, 12]

Answer

[3, 6, 9]

Answer

[0, 3, 6]