Question 1

Suppose you have the following code:

class ClientList(list):

def search_email(self, value):

result = [client for client in self if value in client.email]

return result

class Client:

all_clients = ClientList()

def __init__(self, name, email):

self.name = name

self.email = email

Client.all_clients.append(self)

Select all true statements. (select 2)

Options :

A :

all_clients attribute is an example of an instance attribute of Client class.

B : all_clients is a class attribute of Client class.

C : name and email attributes are examples of instance attributes of Client class.

D : search_email attribute is an example of an instance attribute of ClientList class.

Answer: B,C

Question 2

Consider the following Python code snippet:

class Meta(type):

def __new__(cls, name, bases, attrs):

attrs['add'] = lambda self, value: self.append(value)

return super().__new__(cls, name, bases, attrs)

class CustomList(list, metaclass=Meta):

pass

What does the CustomList class do in this code?

Options :

A : The CustomList class raises an error because append method is overridden.

B : The CustomList class adds elements to the list by calling the add method instead of append.

C : The CustomList class is just a regular list with no additional functionality.

D : The CustomList class adds elements to the list using both add and append methods.

E : The CustomList class can't add elements because append method is overridden.

Answer: D

Question 3

In the context of the SQLite database, which of the following commands is correct for updating a record in a table named Students, given that we want to change the Grade of the student with ID 123 to 'A'?

Options :

A : UPDATE Students WHERE ID = 123 SET Grade = 'A';

B : MODIFY Students SET Grade = 'A' WHERE ID = 123;

C : UPDATE Students SET Grade = 'A' AND ID = 123;

D : UPDATE Students SET Grade = 'A' WHERE ID = 123;

Answer: D

Question 4

What is the result of the following code?

class Book:

language = 'ENG'

is_ebook = True

def set_title(self, value):

if not isinstance(value, str):

raise TypeError(

'The value of the title attribute must be of str '

'type.'

)

self.title = value

book = Book()

book.set_title('Inferno')

book.year = 2020

book.subtitle = None

print(book.__dict__)

Options :

A : {'title': 'Inferno', 'year': 2020, 'subtitle': None}

B : {'title': 'Inferno'}

C : {}

D : {'language': 'ENG', 'is_ebook': True, 'title': 'Inferno', 'year': 2020, 'subtitle': None}

Answer: A

Question 5

You are building a Python application that needs to send an HTTP POST request with JSON data to a remote server. Which code snippet correctly demonstrates the usage of the requests module to accomplish this task?

Options :

A : import requests

url = "https://api.example.com/data"

data = {"key": "value"}

response = requests.get(url, json=data)

B : import requests

url = "https://api.example.com/data"

data = {"key": "value"}

response = requests.patch(url, json=data)

C : import requests

url = "https://api.example.com/data"

data = {"key": "value"}

response = requests.put(url, json=data)

D : import requests

url = "https://api.example.com/data"

data = {"key": "value"}

response = requests.post(url, json=data)

Answer: D

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