Question 1

What does the COUNT() function in SQL do?

Options :

A : Calculates the average of a column

B : Counts the number of rows in a table

C : Returns the total sum of a column

D : Counts the number of distinct values in a column

Answer: B

Question 2

Which keyword is used to define a class in Python?

Options :

A : object

B : self

C : class

D : def

Answer: C

Question 3

What is the purpose of the "pass" statement in Python?

Options :

A : To indicate the end of a block of code

B : To do nothing and act as a placeholder

C : To terminate the execution of a loop or function

D : To skip the current iteration of a loop

Answer: B

Question 4

What is the purpose of the "self" parameter in Python classes?

Options :

A : It is a placeholder for future parameters

B : It represents the current instance of the class

C : It refers to the class itself

D : It is used to call other methods in the class

Answer: B

Question 5

What is recursion in Python?

Options :

A : A way to break out of a loop.

B : A built-in method in Python.

C : A way to repeat a block of code a specific number of times.

D : A way to define a recursive function.

Answer: D

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