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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 a Dispatch Table in Python (Map Strings to Functions)

Maps string command names to callable functions in a dictionary, then dispatches calls safely with error handling.

dispatch-table dictionary functions
Python
def add(a, b):
    return a + b


def subtract(a, b):
    return a - b


def multiply(a, b):
    return a * b


def divide(a, b):
    if b == 0:
        raise ValueError("Division by zero")
    return a / b


dispatch = {
    "add": add,
    "subtract": subtract,
    "multiply": multiply,
    "divide": divide,
}


def…
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