ncert Python Lists

What is the data type of a list in Python?

• String sequence

• Unordered sequence

• Ordered sequence

• Immutable sequence

Which of the following is a valid way to create a list in Python?

• list1 = <1, 2, 3>

• list1 = {1, 2, 3}

• list1 = [1, 2, 3]

• list1 = (1, 2, 3)

How do you access the first element of a list named 'list1'?

• list1[1]

• list1[0]

• list1.first()

• list1.get(0)

What will be the output of list1 = [1, 2, 3]; list1 + [4, 5]?

• [4, 5, 1, 2, 3]

• [1, 2, 3, 4, 5, 6]

• [1, 2, 3, [4, 5]]

• [1, 2, 3, 4, 5]

Which operator is used for concatenating two lists in Python?

• /

• -

• +

• *

What does the 'append()' method do in a list?

• Removes an element

• Sorts the list

• Adds an element at a specific index

• Adds an element to the end of the list

What will be the output of list1 = [1, 2, 3]; list1 * 2?

• [1, 2, 3, 1, 2, 3]

• [2, 4, 6]

• [1, 2, 3, 2, 4, 6]

• [1, 2, 3, 1, 2]

Which method would you use to find the number of occurrences of an element in a list?

• search()

• find()

• index()

• count()

What is the result of list1 = [1, 2, 3]; list1[1:3]?

• [1, 2]

• [2, 3]

• [3, 2]

• [1, 2, 3]

How do you remove an element from a list by its value?

• list1.remove(value)

• list1.discard(value)

• list1.delete(value)

• list1.pop(value)