Python_note

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layout: post
title:  "python 内置函数"
date:   2019-3-4
desc: "something about python"
keywords: "python"
categories: [PYTHON]
tags: [python,coding,learning]
icon: icon-html

PYTHON内置函数

1.__new__

__new__()是python真正的构造方法，我们平时写的都是__init__()方法。重写__new__()方法可以控制对象的产生过程