Python functions are reusable blocks of code that perform specific tasks. Here's a quick overview:

🔧 Defining Functions

Use the def keyword to create a function:

def greet(name):
    return f"Hello, {name}!"
Function Definition

📦 Function Parameters

Parameters are inputs to a function. Example:

def add(a, b):
    return a + b
Function Parameters

🧠 Lambda Functions

Anonymous functions for concise operations:

square = lambda x: x ** 2
Lambda Function

📚 Best Practices

  • Keep functions focused on one task
  • Use descriptive names
  • Avoid overcomplicating logic
  • Document with docstrings

For deeper learning, check our Python Tutorial section.