Question 1

What is the purpose of a function in Python?

Accepted Answer

To encapsulate a block of reusable code

Answer

To define a class

Answer

To create a variable

Answer

To import a library

Question 2

What keyword is used to define a function in Python?

Accepted Answer

def

Answer

define

Answer

create

Answer

function

Question 3

What does the 'return' statement do in a Python function?

Accepted Answer

It exits the function and sends a value back to the caller

Answer

It pauses the function execution

Answer

It calls another function

Answer

It imports a module

Question 4

Which of the following correctly defines a function that takes two parameters, x and y?

Accepted Answer

def my_function(x, y):

Answer

def my_function: (x, y)

Answer

define my_function(x, y):

Answer

function my_function(x, y):

Question 5

What is a parameter in the context of a Python function?

Accepted Answer

A variable used to pass information into a function

Answer

A built-in function in Python

Answer

An error message

Answer

A type of loop

Question 6

What is the result of calling the following function: def greet(name): return 'Hello, ' + name? If we call greet('Alice')?

Accepted Answer

Hello, Alice

Answer

Hello, Bob

Answer

Hello,

Answer

Alice

Question 7

What is the main difference between a function and a procedure in Python?

Accepted Answer

A function returns a value, while a procedure does not.

Answer

A procedure is defined with 'def' and a function is not.

Answer

A function does not take parameters, while a procedure does.

Answer

Both functions and procedures return values.

Question 8

What does a procedure in Python typically do?

Accepted Answer

Executes a sequence of statements without returning a value.

Answer

Stores data in a variable for later use.

Answer

Performs calculations and always returns a result.

Answer

Takes input and modifies it directly.

Question 9

In Python, how can you define a function?

Accepted Answer

Using the 'def' keyword followed by the function name and parameters.

Answer

With a variable assignment.

Answer

By declaring it inside a class only.

Answer

By using the 'function' keyword.

Question 10

What is the purpose of the 'return' statement in a Python function?

Accepted Answer

To send a value back to the caller of the function.

Answer

To define the variables inside the function.

Answer

To exit the function without doing anything.

Answer

To print the output of the function.

Question 11

What happens if you call a procedure that does not include a 'return' statement in Python?

Accepted Answer

It will execute its code but not return any value.

Answer

It will always return zero.

Answer

It will cause an error.

Answer

It will return None automatically.

Question 12

What will a function return if there is no return statement specified in Python?

Accepted Answer

It will return None by default.

Answer

It will return 0.

Answer

It will throw an error.

Answer

It will return an empty string.

Question 13

What is a key reason to use functions in a program?

Accepted Answer

To avoid code repetition and improve readability.

Answer

To make the code longer and more complex.

Answer

To use up more memory.

Answer

To make the program run slower.

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