1. What is the main purpose of OOP?

A) Faster execution B) Code reuse and modularity C) Easy GUI creation D) Complex syntax

2. Which of the following is used to create a class?

A) make B) define C) class D) object

3. Which method is the constructor in Python?

A) __new__() B) constructor() C) init() D) __init__()

4. What does self refer to in a class method?

A) The class itself B) A static method C) The current object instance D) A global variable

5. What is inheritance used for?

A) Creating new modules B) Creating private methods C) Creating a child class from a parent class D) Deleting a class

6. You can have more than one constructor in a Python class. (True/False)

7. Private attributes in Python start with a single underscore _ . (True/False)

8. Python supports multiple inheritance. (True/False)

9. A class method can be called without creating an object. (True/False)

10. @staticmethod allows access to the class variables. (True/False)

11. What will be the output of this code?

class Animal:
    def __init__(self, name):
        self.name = name
    def speak(self):
        return self.name + " says hello"

dog = Animal("Buddy")
print(dog.speak())

12. What is the error in this code?

class Car:
    def start_engine():
        print("Engine started")

my_car = Car()
my_car.start_engine()

13. Fill in the blank to complete this method:

def ________:
    return self.first + " " + self.last

14. What is the difference between a class variable and an instance variable?

15. You have a base class Shape and a subclass Circle. What would you do to ensure that Circle also has the __init__ method from Shape?