Question 1

Which of the following code snippets are consistent with PEP 8 recommendations for using whitespace? (select 2)

Options :

A :

B :

C :

D :

E :

Answer: C,D

Question 2

The following code snippet attempts to call a method with multiple arguments in Python. Identify the correct syntax for calling the method and provide the correct code snippet.

class Calculator:

def add_numbers(self, num1, num2):

return num1 + num2

# Attempt to call the add_numbers method

calculator = Calculator()

Options :

A : result = Calculator.add_numbers(3, 4, 5)

B : result = add_numbers(3, 4, 5)

C : result = calculator.add_numbers([3, 4, 5])

D : result = calculator.add_numbers(3, 4, 5)

Answer: D

Question 3

Youâ€™ve created the following button using Tkinter:

button = tk.Button(

text='Login',

width=25,

height=5,

bg='blue',

fg='yellow',

)

What are the characteristics of the above button? (select 2)

Options :

A : This code is erroneous.

B : The label will be a square.

C : Login will appear on the button.

D : The background will be blue.

Answer: C,D

Question 4

Which of the following copy operations will have the worst performance?

Options :

A :

The answer cannot be unequivocally determined.

B :

Simple reference copy:

numbers = [[i - 1, i, i + 1] for i in range(1_000_000)]

copy = numbers

C :

Shallow copy:

numbers = [[i - 1, i, i + 1] for i in range(1_000_000)]

copy = numbers[:]

D :

Deep copy:

import copy

numbers = [[i - 1, i, i + 1] for i in range(1_000_000)]

copy = copy.deepcopy(numbers)

Answer: D

Question 5

You are developing a client-server application in Python using sockets. The server sends data to the client using the sendall() method, and the client receives the data using the recv() method. Which statement accurately describes the behavior of the recv() method in this scenario?

Options :

A : The recv() method must be called before the sendall() method to establish the connection properly.

B : The recv() method returns a dictionary containing the data sent by the server, where the keys represent the sequence numbers of the data packets.

C : The recv() method returns a list containing all the data sent by the server, preserving the order of transmission.

D : The recv() method will block until it receives all the data sent by the server or until an error occurs.

Answer: D

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