Build Your Own Commands
Understand how to define and use functions with arguments.
We’ve been using built-in functions like print() and input(). Now it’s our turn to create our own reusable commands using functions.
Think of a function like a recipe:
It has a name.
It can take ingredients (inputs).
It does something when you use it.
Built-in vs. user-defined functions
Built-in functions are already provided by Python, like
print()orlen()...