Python Lists

What is a list?

• A list is an unordered, unchangeable collection of items and do not alow duplicate values

• A list is an unordered, changeable collection of items that can hold duplicate values

• A list is an ordered, changeable collection of items that can hold duplicate values

How do you create a list in Python?

• list = (1, 2, 3)

• list = {1, 2, 3}

• list = [1, 2, 3]

Which method adds an item to the end of a list?

• add()

• append()

• insert()

What does list.insert(2, 'x') do?

• Adds 'x' at index 2

• Adds 'x' at the end

• Replaces item at index 2 with 'x'

What will list.pop() do?

• Remove the first item

• Remove the last item

• Remove a random item

What is the output of len([1, 2, 3])

• 2

• 3

• 1

• 0

Which method removes the first matching value from a list?

• remove()

• pop()

• delete()

How do you remove an item from a specific index in a list?

• list.remove(index)

• list.pop(index)

• list.delete(index)

What does list.extend([4, 5]) do?

• Adds 4 and 5 to the end of the list

• Inserts 4 and 5 at the beginning of the list

• Removes 4 and 5 from the list

What is the result of list.count(2) if list = [1, 2, 2, 3]?

• 0

• 1

• 2

• 3