Defining Functions in Python

Functions are reusable blocks of code that perform a specific task. You can define your own functions using the def keyword.

Defining a Simple Function

Calling a Function

Function with Parameters

Function with Multiple Parameters

Function with Return Value

Summary

• def function_name(): is used to define a function
• Functions help avoid repeating code
• Call a function by using its name followed by parentheses, e.g., greet()
• Functions can accept parameters to work with dynamic data
• Functions can return values using the return keyword