5个节约生命的python小技巧

Python是一种强大且易上手的语言,语法简洁优雅,不像Java那么繁琐废话,并且有一些特殊的函数或语法可以让代码变得更加简短精悍。 根据笔者经验,下面介绍常用的5个python小技巧: 1. 字符串操作 1. 列表推导 1. lambda  及  map  函数 1. if 、 elif 和 else 单行表达式 1. zip 函数 1. 字符串操作 Python善于用数学运算符(如 + 和 / )对字符串进行操作: +  拼接字符串 /  重复字符串 my string = 'Hi Pyth...

2022-06-23 | Python研究者 | 603浏览

How to retrieve wechat withdrawal information with Python

With the rapid development of the Internet 、 Under the needs of the people , It has entered the national wechat era . Aunt Zhang in the village , My father knows how to use wechat . But when we are with friends , A loved one , When lovers talk , I ...

2022-06-23 | Programmer waiter | 947浏览

Dry goods | variables in Python

Python What are the variables in ? Variable , Record the changing state of things . It is to make the computer have a certain function of human , It can better complete the tasks assigned by human beings , This gave birth to variables . ' Variables a...

2022-06-23 | Manon rushes forward | 914浏览

Tips | share several pandas efficient functions

Hello everyone ~ In this issue, I recommend some pandas Efficient data processing functions Continuous updating , I hope it helped you : 1. Dictionary creation Dataframe 1. Column splitting (split/extract) 1. columns (cat) 1. Fill left and r...

2022-06-23 | Manon rushes forward | 630浏览

90% of people don't know that Python already supports Chinese variable names!

lately , I'm going through two relatively new Python Book time , They all made a serious low-level mistake These two books are respectively 《Python Programming : From introduction to practice 》 and 《 The programming journey of father and son 》, ...

2022-06-23 | Bald programmer | 833浏览

Python grammar basics dry inventory [with source code]

Preface Reference material : The author Python Learning is mainly based on 《Python Programming : From introduction to practice 》 This book is mainly , The idea of notes refers to the context in the book . Secondly, the author saw Professor Song...

2022-06-23 | Programmer Didi | 197浏览

Learn Python from Python poetry for dependency management [picture and text]

Abstract : In this tutorial , You explored how to create new Python Poetry Project and how to Poetry Add to existing project . When your Python When a project depends on an external package , You need to make sure you use the correct version...

2022-06-23 | Charlie is not a dog | 215浏览

Fundamentals of Python: classes in Python

brief introduction class It's a very important concept in object-oriented programming ,python There are also class, All standard programming features are supported : Inherit , Polymorphism etc. . This article will explain in detail Python in clas...

2022-06-23 | Programmer Xingang | 963浏览

How to make Gobang with Python

hi, Hello everyone , Let's talk about how you use it today python Make Gobang Don't talk much , Go straight to the code import pygame EMPTY = 0 BLACK = 1 WHITE = 2 black color = 0, 0, 0 white color = 255, 255, 255 class RenjuBoard object : def ini...

2022-06-23 | Chen Chen 135 | 953浏览

Four Python project management build tools

Python For so long, there has not been a de facto standard project management and construction tool , So as to cause Python The structure and construction methods of the project are diverse . This may reflect Python Free will . Unlike Java Af...

2022-06-23 | Chen Chen 135 | 134浏览

Python dictionary has been mastered [source code attached]

Look it up in a dictionary ,Python How to use a dictionary I've learned lists and tuples , Then these two are arranged in order , So you can use the index to get the value , What this blog is going to learn is a dictionary , As can be seen from ...

2022-06-23 | Programmer Didi | 535浏览

In depth understanding of Python's type hints

Code without type prompt : def greeting name : return 'Hello ' + name Copy code Code with type prompt : def greeting name: str str: return 'Hello ' + name Copy code The general format for tips is usually this : def function variable: input typ...

2022-06-23 | Programmer Xiaoxin | 311浏览

Excellent! Finally, we have sorted out Python multithreading and multiprocessing!

For the newcomer Pythoner In the process of learning to run the code is more or less will encounter some errors , It may seem like a lot of work at first . As the amount of code accumulates , Practice makes perfect when encountering some runtime err...

2022-06-23 | Bald programmer | 318浏览

Why is Python easy to learn?

What is? Python? In the past 2017 In the year ,Python Developers are growing rapidly around the world , Domestic small partners learn Python Our enthusiasm has been soaring all the way . meanwhile ,PYPL Release 7 Monthly programming language ind...

2022-06-23 | Programmer Xingang | 765浏览

53 tips! Old drivers stay up late to summarize a large collection of Python practical and high-performance skills!

What are you doing at home during the long holiday ?  It's about staying at home and watching the new year's party ; Or go shopping to eat hot pot and sing ; Or three or five friends go out to a restaurant to get together and have a chat ; I still ...

2022-06-23 | Manon rushes forward | 354浏览

Full of dry goods! 20 Python tips

1. Confusing operation This section is for some Python Compare confusing operations . 1.1 There are put back random sampling and no put back random sampling import random random.choices seq, k=1 / The length is k Of list, There is a return s...

2022-06-23 | Programmer waiter | 786浏览

I made Tetris in Python for fishing at work?

First of all, the zero basis is to be able to learn python Of , Many programming gods choose to learn before they get started Python, So if you want to learn, learn boldly , Who is not zero foundation before learning , Even if I make up my mind to s...

2022-06-23 | yz_ weixiao | 226浏览

Learn python with little hands # no programming without turning points, learn python with snowball [source code attached]

No turning point, no programming If the program is executed from top to bottom , The program will lack a lot of fun and transition , And it will lead to the programming boring , In this case , In order to achieve some effect , Need code to implem...

2022-06-23 | Programmer Didi | 982浏览

Write the correct posture of python with vscode

Studying recently python, Always used before notepad++ As editor , By chance VSCode They are attracted by its beauty . After using it, I found that it starts quickly , Rich plug-ins , After downloading and installing, you can use it directly with li...

2022-06-23 | Programmer Xiaoxin | 457浏览

Five life saving Python tips

Python Is a powerful and easy to use language , The grammar is simple and elegant , Unlike Java Such tedious nonsense , And there are some special functions or syntax that can make the code shorter and more concise . According to the author's experi...

2022-06-23 | Python researcher | 654浏览