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Functions & basics

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Functions & basics easy

How to Use Keyword-Only Arguments in Python Functions

Define Python functions with keyword-only arguments using the * separator to enforce clarity and prevent positional misuse.

functions keyword-arguments function-signature
Python
def greet(name, *, greeting="Hello", punctuation="!"):
    """Greet someone with a customizable message using keyword-only arguments."""
    message = f"{greeting}, {name}{punctuation}"
    return message

if __name__ == "__main__":
    # Basic call with only the positional argument
    print(greet("Alice"))

    # Al…
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