What are functions:
A function is a named sequence of statements that performs a specific task

Purpose:

Functions promote code reusability, organization, and readability by allowing you to group related code into modular units.

Sample codes of functions

Simple Function Without Parameters

def greet():

    print("Hello!")

greet()  # Calls the function

Function with paremeters

def greet(name="User"):

    print(f"Hello, {name}!")

greet()         # Uses default value

greet("Alice")  # Uses provided value

Returning multiple values

def get_values():

    return 10, 20

x, y = get_values()

print(x, y)