Week 6 Homework - Python Revision

What is the purpose of a function in Python?

• To store data

• To perform a specific task

• To create loops

• To define a variable

Which of the following is a valid variable name in Python?

• my_variable

• 123variable

• variable#1

• 1_variable

How do you add an element to the end of a list?

• list.add(element)

• list.append(element)

• list.insert(element)

• list.extend(element)

What is the output of len([1, 2, 3, 4])?

• 4

• [1, 2, 3, 4]

• 6

• 5

Which data structure uses key-value pairs?

• Lists

• Tuples

• Dictionaries

• Sets

In a tuple, can you change the value of an element after it's created?

• Yes

• No

What is the purpose of using a set in Python?

• To store ordered elements

• To store key-value pairs

• To store unique elements

• To store elements in a sequence

What does the pop() function do when used with a dictionary?

• Removes the last element

• Removes an element at a specific index

• Removes a key-value pair with a specific key

• Removes all elements

How do you access the value associated with the key "age" in the dictionary:
person = {"name": "Alice", "age": 30}?

You may use IDLE to help you with this question. You may also upload an image of IDLE as your answer.

Given the list:
numbers = [2, 4, 6, 8, 10]
how would you modify it to replace the second element with 5?

You may use IDLE to help you with this question, you may also upload an image from IDLE as your answer.