Data types

Question 1

What is a Boolean value?

Answer 1

A Boolean is a special kind of variable that only takes on one of two possible values: True or False

Question 2

What is a list?

Answer 2

A collection of objects in a sequence, delimited by square brackets ( [ and ] ). The objects do not need to be all of the same type and list is mutable.

Question 3

What is a set?

Answer 3

A collection of unique elements, delimited by curly braces

( { and } ). The order does not matter and set is mutable

Question 4

What is a dict?

Answer 4

A set of key-value pairs. The first element in each pair is the key and the second element is the value. The key can be used to look up the value.

Question 5

What is a tuple?

Answer 5

A collection of objects represented by comma-delimited values enclosed in round bracket. Unlike lists, they are immutable.

Question 6

What is the advantage of using tuple over a list in storing data?

Answer 6

Tuples make code safer
Using a tuple instead of a list is akin to implying that the data stored is
constant
A user cannot accidentally modify the elements in a tuple because
tuples are immutable