Python Classes and Objects

What is the purpose of the __init__() function in Python classes?

• To delete an existing object

• To initialize a new object instance

• To perform mathematical operations

• To create a new class definition

Which function is automatically called when a new object is instantiated in Python?

• __del__()

• __str__()

• __add__()

• __init__()

What does the 'self' keyword in Python classes represent?

• A static method

• A class method

• A reference to the current instance of the class

• The superclass of the current class

How can you modify an object property in Python?

• By using the update() method

• By re-declaring it outside the class

• Using the modify() method

• By accessing it directly using the dot notation

Which statement is used in Python classes to avoid getting an error if the class definition is empty?

• none

• break

• pass

• continue

What is the correct way to delete an object property in Python?

• Using the remove() method

• Using the delete() function

• Using the del keyword

• By setting the property to None

Which of the following is a valid class definition in Python?

• class MyClass()

• class MyClass: pass

• define MyClass: pass

• MyClass class: pass

How do you create a new instance of a class named 'Person'?

• create Person()

• Person()

• Person.new()

• new Person()

What is the output of printing an object without a __str__() method defined?

• The name of the class and its memory address

• The values of its properties

• The __init__() method's parameters

• An error message

Which method is used to define how an object should be represented as a string?

• __tostring__()

• __stringify__()

• __str__()

• __repr__()