What are the recursive functions of python

This article will explain in detail what python recursive functions are, and the editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

There are two kinds of recursive functions.

Normal recursion: call yourself, and return contains expressions. -> return n * fact (n-1)

Tail recursion: call yourself, return does not contain expressions. -> return fact_iter (num-1, num * product)

Doubt: in Liao Xuefeng's recursive function, he proposed that tail recursion can solve the stack overflow problem, but at the end of the article also said that the python interpreter did not optimize the tail recursion, any recursive function has stack overflow problem, then you use tail recursion to solve a fart stack overflow problem. First take notes here, and then solve the problem of how to enter multiple lines on the command line before practicing this problem.

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