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

What is PEP's preferred way of breaking lines with binary operators?

Options :

A :

income = (gross_wages +

taxable_interest +

(dividens - qualified_dividends) -

student_loan_interest)

B :

income = (gross_wages +

+ taxable_interest +

+ (dividens - qualified_dividends) -

- student_loan_interest)

C :

income = (gross_wages +

+ taxable_interest +

+ (dividens - qualified_dividends) +

- student_loan_interest)

D :

income = (gross_wages

+ taxable_interest

+ (dividens - qualified_dividends)

- student_loan_interest)

Answer: D

Question 3

Consider the following code snippet:

class BankAccount:

interest_rate = 0.05

total_accounts = 0

def __init__(self, account_number, balance):

self.account_number = account_number

self.balance = balance

BankAccount.total_accounts += 1

def deposit(self, amount):

self.balance += amount

def withdraw(self, amount):

if amount <= self.balance:

self.balance -= amount

else:

print("Insufficient funds!")

@classmethod

def set_interest_rate(cls, rate):

cls.interest_rate = rate

account1 = BankAccount("123456", 1000)

account2 = BankAccount("987654", 500)

account1.deposit(500)

account2.withdraw(200)

print(account1.balance)

print(account2.balance)

print(BankAccount.interest_rate)

print(BankAccount.total_accounts)

What will be the output of the code snippet?

Options :

A : 1500

300

0.05

2

B : 1500

300

0.05

0

C : 1000

500

0.05

2

D : 1500

300

0.05

3

Answer: A

Question 4

Which of the following statements accurately describes the purpose of PEP 8 guidelines in Python programming?

Options :

A : PEP 8 guidelines are a collection of built-in Python modules for performing common tasks.

B : PEP 8 guidelines are a standardized testing framework for Python code to ensure functional correctness.

C : PEP 8 guidelines are a set of recommendations for optimizing Python code for performance.

D : PEP 8 guidelines are a set of rules for formatting Python code to enhance readability and maintainability.

Answer: D

Question 5

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

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