Closures in Python | Closure Python | Python from scratch

Publié le: 02 juillet 2021
sur la chaîne: ZProger [ IT ]

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Python closures with a simple example in 8 minutes

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In this video, we'll look at a few examples of Python closures to help you understand how they work.

A closure in programming is a function in the body of which there are references to variables that are declared outside the body of this function in the surrounding code and are not its parameters.

The inner function is created every time the outer one is executed. Each time the external function is called, a new instance of the internal function is created, with new references to the variables of the external function.

External function variable references are valid inside a nested function as long as the nested function runs, even if the external function has finished running and the variables are out of scope.

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