BitWithBite
Python Worksheet
🐍 Classes & Objects
SCORE___ / 20
NameClassDate
After this worksheet you can
Define a classUse __init__ and selfCreate objectsCall methods📚 Quick Recap
🎯 What you'll learn: The 4 pillars of Object-Oriented Programming. How to define classes with class, write __init__, use self, create instance and class attributes, define instance methods and class methods, and use dunder methods (__str__, __repr__, __len__) to make objects feel like built-in Python types.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1The constructor method is:
2self refers to:
3Create an object of Dog with:
4Methods are:
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5Classes are defined with the keyword .
6The first parameter of a method is .
7Define class Dog with an __init__ storing name.
8Create a Dog named 'Rex'.
9Access the dog's name.
🚀 Section C · Challenge ● CHALLENGE 5
10Add a bark() method printing 'Woof'.
💭 Reflection — the most useful thing I learned:
A ___/4 B ___/11 C ___/5 Total ___/20
Teacher's Signature
Parent's Signature
✂ answer key — fold or cut before handing out
1-A 2-B 3-B 4-A | 5 class 6 self 7 = class Dog: def __init__(self, name): self.name = name 8 = d = Dog('Rex') 9 = d.name | 10 = def bark(self): print('Woof')