Python Lists and Tuples Quiz

Which of the following best describes a 2D list in Python?

• A list with two elements

• A list that contains only numbers

• A list of lists, where each element is another list

• A list with two dimensions, width and height

How can you access an element in a 2D list at row 2 and column 3?

• list[2][3]

• list[3][2]

• list[1][2]

• List[2,3]

What does None represent in a 2D list in Python?

• An empty list

• A missing value

• A zero value

• A special character

Which of the following is the correct way to assign the same value to multiple variables in a single statement?

• x = 10; y = 10; z = 10

• x, y, z = [10, 10, 10]

• x, y, z = 10

• x, y, z = "10"

How can you iterate over a single row of a 2D list in Python?

• Using a for loop with range(len(list))

• Using a while loop with a counter variable

• Using a for loop with range(len(list[0]))

• Using a for loop with range(len(list[1]))

What is a tuple in Python?

• A data type that can store a sequence of values

• A data type that can store a single value

• A data type that can store a dictionary

• A data type that can store a set of values

How do you create a tuple in Python?

• Using square brackets

• Using parentheses

• Using curly braces

• Using angle brackets

What is the difference between a tuple and a list?

• A tuple is immutable while a list is mutable

• A tuple can only store integers while a list can store any data type

• A tuple can only have one value while a list can have multiple values

• A tuple is ordered while a list is unordered

How do you access the elements of a tuple?

• Using parentheses and the index of the element

• Using curly braces and the index of the element

• Using square brackets and the index of the element

• Using angle brackets and the index of the element

What is the result of the following code?

my_tuple = (1, 2, 3, 4, 5)

print(my_tuple[1:3])

• (1, 2, 3)

• (2, 3)

• (3, 4)

• (2, 3, 4)