Question 1

What is true about updating already installed Python packages?

Options :

A : It-s an automatic process which doesn't require any user attention.

B : It can be done only by uninstalling the package once again.

C : It can be done by reinstalling the package using the reinstall command.

D : It-s performed by the install command accompanied by the -U option.

Answer: D

Question 2

What can you do to indicate that a module entity should be treated as private?

Choose two.

Options :

A : You can mark the entity with the __ (double underscore) prefix.

B : You can mark the entity with the # (hashtag) prefix.

C : Nothing - all module entities are private by default.

D : You can mark the entity with the _ (single underscore) prefix.

Answer: A,D

Question 3

Which of the following messages will appear on the screen when the code is run?

1. class Failure(Exception):

2. def __init__(self, message):

3. self.message = message

4.

5. def __str__(self):

6. return "out of order"

7.

8.

9. try:

10. print("turn on")

11. raise Failure("crash")

12. except Failure as problem:

13. print(problem)

14. else:

15. print("success")

(Select two answers.)

Options :

A : success

B : crash

C : out of order

D : turn on

Answer: C,D

Question 4

Which of the following functions immediately terminates a program?

Options :

A : sys.halt()

B : sys.exit()

C : sys.stop()

D : None

E : sys.terminate()

Answer: B

Question 5

Which of the following lines contain valid Python code?

(Select two answers.)

Options :

A : lambda x,y -> x ** y

B : lambda x,y: '0123456789'[x:y]

C : lambda f(x,y): return x >> y

D : lambda x,y: x + y

Answer: B,D