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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 singledispatch for Type-Based Overloading in Python

This code demonstrates Python's functools.singledispatch decorator to create functions that behave differently based on the type of their first argument.

singledispatch overloading functools
Python
from functools import singledispatch

@singledispatch
def process(value):
    return f"Unknown type: {type(value).__name__}"

@process.register(int)
def _(value):
    return f"Integer: {value * 2}"

@process.register(str)
def _(value):
    return f"String: {value.upper()}"

@process.register(list)
def _(value):
    re…
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