Question 1

What is true about Object-Oriented Programming in Python? (Select two answers)

Options :

A : encapsulation allows you to protect some data from uncontrolled access

B : the arrows on a class diagram are always directed from a superclass towards its subclass

C : inheritance is the relation between a superclass and a subclass

D : an object is a recipe for a class

Answer: A,C

Question 2

A predefined Python variable that stores the current module name is called:

Options :

A : __module__

B : __modname__

C : __mod__

D : __name__

Answer: D

Question 3

How many elements will the following list contain?

data = [i for i in range(-1, 2)]

Options :

A : one

B : two

C : zero

D : three

E : four

Answer: D

Question 4

What is the expected output of the following code?

1. a = [1, 2, 3, 4, 5]

2. print(a[3:0:-1])

Options :

A : [4, 3, 2, 1]

B : [4, 3, 2]

C : The code is erroneous.

D : [4, 3]

Answer: B

Question 5

What is the expected output of the following snippet?

Options :

A : 3

B : 1

C : 2

D : the code is erroneous

Answer: D

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