Question 1

Which of the following lines of code will work flawlessly when put independently inside the add_new () method in order to make the snippet's output equal to [0, 1, 21 ? (Select two answers)

Options :

A : self.queue.append(get_Iast() + 1)

B : queue.append(self.get last () + 1)

C : self.queue.append(self.queue[+1]

D : self.queue.append(self.get last() +1)

Answer: D

Question 2

What is the expected output of the following code?

1. def func(x, y=2):

2. num = 1

3. for i in range(y):

4. num = num * x

5. return num

6.

7.

8. print(func(4))

9. print(func(4, 4))

Options :

A : 16

256

B : 128

512

C : 8

16

D : 32

1024

Answer: A

Question 3

What is the expected output of the following code?

1. class A:

2. def __init__(self, x=2, y=3):

3. self.x = x

4. self.y = y

5.

6. def __str__(self):

7. return 'A'

8.

9. def __eq__(self, other):

10. return self.x * self.y == other.x * other.y

11.

12.

13. a = A(1, 2)

14. b = A(2, 1)

15. print(a == b)

Options :

A : True

B : 2

C : 1

D : False

Answer: A

Question 4

Which of the following statements

would create an instance of the Computer class correctly?

1. class Computer:

2. def __init__(self, ram):

3. self.ram = ram

4. self.type = 'server'

Options :

A : computer = Computer('server', 16000)

B : computer = Computer(16000)

C : None of the above.

D : computer = Computer('client', 16000)

E : computer = Computer()

Answer: B

Question 5

Assuming that the following piece of code has been executed successfully, which of the expressions evaluate to True? (Choose two.)

Options :

A : isinstance (obj_b,A)

B : A.VarA == 1

C : obj_a is obj_aa

D : B.VarA == 1

Answer: A,C

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