What are the advantages of using functions in programming?

• Code reuse: Functions allow you to write logic once and reuse it multiple times in different parts of the program.
• Readability and modularity: Dividing a program into functions improves structure, making the code more understandable and easier to maintain. Each function performs a specific task.
• Reduction of code duplication: If the same logic appears multiple times, it can be extracted into a function, avoiding repetitions and reducing the likelihood of errors when making changes.
• Simplified debugging: Localizing errors becomes easier, as individual functions can be tested and debugged independently.
• Abstraction: Functions allow hiding implementation details, working with them at a higher level of abstraction.

# Example of code reuse
def greet(name):
  print(f"Hello, {name}!")

greet("Alexander") # Function call
greet("Elena")   # Repeated call

# Example of reducing duplication
def calculate_area(width, height):
  return width * height

area1 = calculate_area(10, 5)
area2 = calculate_area(7, 3)