Question 1

What is metaprogramming?

Options :

A : It-s one of the fundamental concepts in object-oriented programming paradigm. It describes a class that references one or more objects of other classes in instance variables. This allows you to model a has-a relation between objects.

B : It-s a programming technique in which computer programs have the ability to treat other programs as their data. It means that a program can be designed to read, generate, analyze or transform other programs, and even modify itself while running.

C : It-s one of the core concepts of object-oriented programming paradigm. It is a mechanism where you can derive a class from another class for a hierarchy of classes that share a set of attributes and methods.

D : It-s the concept of providing a single interface to objects of different types.

Answer: B

Question 2

In Python, which of the following methods is necessary to override when inheriting from a built-in immutable class (like tuple or str) if you want to add additional attributes to it?

Options :

A : __new__()

B : __str__()

C : __init__()

D : __call__()

Answer: A

Question 3

Suppose you have the following XML file called books.xml: Gambardella, Matthew XML Developer's Guide Computer 44.95 2000-10-01 An in-depth look at creating applications with XML. Ralls, Kim Midnight Rain Fantasy 5.95 2000-12-16 A former architect battles corporate zombies, an evil sorceress, and her own childhood to become queen of the world. How can you parse this document using xml.etree.ElementTree module?

Options :

A : import xml.etree.ElementTree as ET tree = ET.todict('books.xml')

B : import xml.etree.ElementTree as ET tree = ET.dump('books.xml')

C : import xml.etree.ElementTree as ET tree = ET.tostring('books.xml')

D : import xml.etree.ElementTree as ET tree = ET.parse('books.xml')

Answer: D

Question 4

There are three classes: Vehicle, Car, and ElectricCar. The Vehicle class is the base class, while the Car class inherits from Vehicle using single inheritance, and the ElectricCar class inherits from both Car and Vehicle using multiple inheritance. Which of the following statements is correct regarding the attributes and methods inherited by the ElectricCar class?

Options :

A : The ElectricCar class will inherit all the attributes and methods from both the Vehicle and Car classes.

B : The ElectricCar class will inherit all the attributes and methods from the Car class but not the Vehicle class.

C : The ElectricCar class will inherit some attributes and methods from the Vehicle class and some from the Car class.

D : The ElectricCar class will inherit all the attributes and methods from the Vehicle class but not the Car class.

Answer: A

Question 5

INI files are configuration files that typically store settings and configurations for various applications. They commonly use interpolation syntax to insert dynamic values into the file. Which of the following expressions is the correct interpolation syntax used in INI files?

Options :

A : %(localhost)%

B : %(localhost)

C : %(localhost)s

D : $localhost

Answer: C

Free PCPP-32-101 Mock Exam – Practice Online Confidently

Buying Options: