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Functions & basics

Reusable building blocks — parameters, returns, scope, and clear function design.

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Functions & basics easy

How to Use Default Parameters in Python Functions

Create a simple function with default parameters to build flexible, reusable greetings in Python.

functions default-parameters basics
Python
def greet(name, greeting="Hello", punctuation="!"):
    """Return a personalized greeting message."""
    return f"{greeting}, {name}{punctuation}"


if __name__ == "__main__":
    print(greet("Alice"))               
    print(greet("Bob", "Hi"))           
    print(greet("Charlie", greeting="Hey", punctuation="?"))…
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