当前位置:网站首页>functools:对callable对象的高位函数和操作(持续更新ing...)
functools:对callable对象的高位函数和操作(持续更新ing...)
2022-06-28 14:42:00 【诸神缄默不语】
functools官方文档:functools — Higher-order functions and operations on callable objects — Python 3.10.5 documentation
functools是对已有的函数(callable对象)的进行操作,生成新的函数(callable对象)。本文介绍functools的函数和对象。
持续更新。
最近更新时间:2022.6.28
最早更新时间:2022.6.28
文章目录
1. partial
partial对象的属性是函数func、位置参数、关键词参数。一般用于固定函数的某些参数,传入其他参数。如固定int(x,base)函数中的base入参(该函数的目标是将base进制的x转换为int格式的整数对象):
from functools import partial
basetwo = partial(int, base=2)
basetwo.__doc__ = 'Convert base 2 string to an int.'
print(basetwo('10010'))
输出:18
参考资料:
- python中偏函数functools.partial 的使用_万里鹏程转瞬至的博客-CSDN博客_functools.partial( 本文中介绍了functools相比重复定义新函数的优越性,以及介绍了位置参数和关键词参数的区别和引入方式。
边栏推荐
- Q-tester 3.2: applicable to development, production and after-sales diagnostic test software
- Differences between ram ROM flash
- 量子前沿英雄谱|“光量子探险家”McMahon:将任何物理系统变成神经网络
- Vscode writes markdown file and generates pdf
- What does VPS do? What are the famous brands? What is the difference with ECS?
- Talking from the little nematode -- tracing the evolution of nervous system and starting life simulation
- Cat dog queue
- 【mysql学习笔记23】索引优化
- js 判断字符串为空或者不为空
- 324. 摆动排序 II : 不简单的构造题
猜你喜欢

Only four breakthrough Lenovo smart Summer Palace in mainland China won the "IDC Asia Pacific Smart City Award in 2022"

Reading notes of Mr. toad going to see a psychologist

What is the renewal fee for PMP certificate?

Tencent cloud international ECS has no network after logging in. How to troubleshoot?

Performance comparison of deep learning models on cat and dog image data sets

Adding virtual environments to the Jupiter notebook

基于MATLAB的混沌数字图像加密技术研究与仿真实现

快手投资电商服务商易心优选

The boss told me three times: low key, low key, low key

Talking from the little nematode -- tracing the evolution of nervous system and starting life simulation
随机推荐
物联网低代码平台常用《组件介绍》
Softing epGate PB系列网关-可将PROFIBUS总线集成到EtherNet/IP网络
Solving Hanoi Tower problem
After nearly 20 years of operation, the Mars probe software based on win 98 has been upgraded for the first time
推荐四款可视化工具,解决 99% 的可视化大屏项目!
机器人的运动范围(DFS)
CVPR disputes again: IBM's Chinese draft papers were accused of copying idea, who won the second place in the competition
[binary tree] allocate coins in the binary tree
2022 questions d'examen pour les cuisiniers chinois (Senior) et l'examen de simulation en ligne
外贸SEO 站长工具
等保备案主体是谁?在当地网安进行备案是吗?
Rails advanced -- framework theory cognition and construction scheme construction (I)
开闭原则
老板嘱咐了三遍:低调、低调、低调
RAM ROM FLASH的区别
荐书丨《大脑通信员》:如果爱情只是化学反应,那还能相信爱情吗?
运行近20年,基于Win 98的火星探测器软件迎来首次升级
只出现一次的数字(水了个简单题)
Leetcode(167)——两数之和 II - 输入有序数组
加油站(贪心)