Shulou(Shulou.com)06/01 Report--

This article mainly shows you "what is the use of the reduce () method in python?" the content is simple and clear. I hope it can help you solve your doubts. Let the editor lead you to study and learn this article "what is the use of the reduce () method in python?"

Reduce () method:

The reduce () function accumulates the elements in the parameter sequence. The function performs the following operations on all the data in a data set (linked list, tuple, etc.): use the function function (with two parameters) passed to reduce to first operate on the first and second elements of the set, and then calculate the result with the third data using the function function, and finally get a result.

> def add (x, y): # the addition of two numbers. Return x + y... > reduce (add, [1mem2meme 3meme 4je 5]) # Compute list and reduce (lambda x, y: Xrey, [1Med 2mine3meme 4je 5]) # use the lambda anonymous function 15

In Python3, the reduce () function has been removed from the global namespace and is now placed in the fucntools module. If you want to use it, you need to call the reduce () function by introducing the functools module:

From functools import reduce above is all the content of the article "what is the use of the reduce () method in python?" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.