Python for OOP - The A to Z OOP Python Programming Course - Name Mangling in Python

This lecture covers the concept of name mangling in Python, explaining how it allows developers to manage attribute names according to their class names. The lecture provides examples and practical applications, particularly in scenarios involving inheritance, to demonstrate how name mangling can help differentiate methods with the same name across different classes.

How does Python treat variables that start with a single underscore?

• As protected variables

• As public variables

• As global variables

• As private variables

What is the purpose of name mangling in Python?

• To automatically rename attributes based on class names

• To make variables private

• To enhance code readability

• To enforce strict variable naming conventions

In the context of name mangling, what does Python do when it encounters a double underscore before a variable name?

• It ignores the underscores

• It treats the variable as a global variable

• It appends the class name to the variable name

• It raises a syntax error

What is the result of trying to access a mangled variable directly using its original name?

• The program crashes

• A warning is issued

• An error is generated

• The original value is returned

What is the method resolution order (MRO) in Python?

• The order in which methods are called in a program

• The order in which methods are defined in a class

• The order in which classes are inherited

• The order in which methods are resolved in a class hierarchy

How can name mangling help in overriding the method resolution order?

• By changing the inheritance hierarchy

• By making methods public

• By enabling the use of class-specific method names

• By allowing direct access to private methods

What happens if you try to call a method that has been name-mangled?

• The method is ignored

• The program crashes

• An error is generated

• The method is called successfully

Why is name mangling considered a useful feature in Python?

• It allows for dynamic variable creation

• It makes the code run faster

• It simplifies the code by avoiding class name repetition

• It enforces strict access control

What is the main advantage of using name mangling for methods in a class hierarchy?

• It makes methods immutable

• It differentiates methods with the same name in different classes

• It enables method hiding

• It allows for method overloading

What is the next topic to be covered after name mangling?

• Dunder methods

• Encapsulation

• Inheritance

• Polymorphism