Nested Functions in Python: Scope and Accessibility
This topic will not only help understand the nonlocal scope but also closures and decorators.
Functions are first-class citizens in Python. They can be:
Passed as arguments to functions;
Returned from functions;
Modified;
Assigned to variables.
Let's explore some examples:
python912345def outer_function(...):...def inner_function(...):...return ...
In programming, a nested function is a function that is defined inside another function.
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def count_percent(num1, num2, num3):
def inner(num):
return num * 30 / 100
return (inner(num1), inner(num2), inner(num3))
print(count_percent(700, 300, 1000))
123456def count_percent(num1, num2, num3): def inner(num): return num * 30 / 100 return (inner(num1), inner(num2), inner(num3)) print(count_percent(700, 300, 1000))
Useful if you want to perform a complex task multiple times within another function without repeating code.
¿Todo estuvo claro?
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Sección 4. Capítulo 4
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