python intermediate tutorials

. How to use Installing the seven KN python SDK Pip Install Qiniu Fill in the configuration information for the script file (qiniusync.py) Access_key = ' Secret_key = ' Bucket_name = ' You can get the corresponding information after registering. Copy the script file (qiniusync.py) to the root you want to synchronize Run the script Python qiniusync.py Postscript After writing the submission only found tha

on display length)%G Index (E) or floating point number (depending on display length)Percent% character "%"The format can be further controlled in the following ways:%[(name)][flags][width]. [Precision]typecode(name) is namedFlags can have +,-, ' or 0. + Indicates right alignment. -Indicates left alignment. ' is a space that fills a space on the left side of a positive number to align with a negative number. 0 means using 0 padding.Width indicates display widthsPrecision indicates the precision

, but document it.No, really, it doesn ' t do anything.Coding styleRecommended adherence to PEP8, high readability, some key points are as follows:Use 4 spaces to indent rather than tab.No more than 79 characters per line.Use empty lines to separate functions and classes, and large blocks of code in functions.If possible, the comment takes up one lineWorking with document StringsThe operator has a space before and after the comma, but there are no spaces on either side of the parentheses. such a

documents and Pandas use in real database processing. This is very important. Otherwise, it's easy to have a complete dependency on the Pandas basics you need to accomplish most of your tasks. But in fact, when more advanced operations exist, these foundations are too cumbersome.Start with the documentIf you've never been in touch with Pandas but have enough basic knowledge of Python, I suggest you start with the Pandas official documentation. The do

Books ; 2. More fun stuff Python for funny ; 3.The hard-to-be easier 3. This layout is good, the structure is clear, a day or two can be seen / http learnpythonthehardway.org /book/ ; 4. This is very detailed and I don't see much of the Hitchhiker ' s Guide to python! 5 This site is a personal favorite Python | nettuts+ 6. Can refer to

the type of value that was assigned to it when it was created. Here 17 is an integer, and the type of age is int.Now enter age and get 17:>>> Age17The type of the python variable is variable. The following assignment causes the type of age to become float:>>> age = 17.1Enter age, get 17.1:>>> Age 17.1It can even become a Boolean (bool) or a string (str), which is, of course, out of the meaning:>>> age = True>>> agetrue"Age">>> age 'age'ConstantUnlik

conceptsPython Beginner Learning Handbook----Object-oriented Continuation Python beginner's Handbook----input and output of filesPython Beginner Learning Manual One-----exception handling Python Beginner's Handbook----loop objectsPython Beginner's Handbook----standard library about Python Beginner's Handbook----standard Library + code examplesPython rookie Promo

Concepts of state machines and tutorials on using state machines in Python What is a state machine? An exclusive description of a state machine is a directed graph, which consists of a group of nodes and a group of corresponding transfer functions. The State Machine "runs" by responding to a series of events ". Each event is under the control of the transfer function of the "current" node. The function rang

Description Cold Index numerical Cold index Cold Index Description Movement Index numerical Movement Index Movement Index Description weather Forecast Date Life Date Index Date This interface get request submits data code:Post Submission data:This article may have a lot of impromptu questions, please also ask questions in the below discussion area. For discussion.After a few days, the article will be updated regularly. Thanks for the support, do the full stack siege lion.Next:

submodules from the sound.effects package, it only guarantees the import of sound.effects, executes the init.py, and imports the previously imported modules:Import Sound.effects.echoImport Sound.effects.surroundFrom sound.effects Import *Import * is not a suggested notation. Recommended from the package import Specific_submodule, but mainly do not have the same name.In-Package referencesAbsolute path:From sound.effects import EchoRelative path:From. Import EchoFrom.. Import formatsFrom.. Filter

. PIL is very powerful, but the API is very easy to use pip3 install PillowUse of third-party modulesManipulating imagesThe following is the most common example code for image scaling operationsfrom PIL import Image# 打开一个jpg图像文件，注意是当前路径:im = Image.open(‘titan.jpg‘)# 获得图像尺寸w, h = im.sizeprint(‘image size: %sx%s‘ % (w, h))# 缩放到50%:im.thumbnail((w//2, h//2))print(‘image to: %sx%s‘ % (w//2, h//2))# 把缩放后的图像用jpeg格式保存:im.save(‘jun.jpg‘, ‘jpeg‘)Other features such as slices, rotations, filters,

Video lessons include: Python from Getting started to live tutorials video, Ai Dry kit, Python basic grammar, Python's MySQL tutorial, Dragon Star Program, machine learning course video, Turtle 0 Basic Primer Python87, Python programming practice Teaching video complete with source code supporting ebooks and so on! H

Most complete Pycharm Tutorials (1)--Custom SkinsMost full Pycharm Tutorials (2)-code styleMost full Pycharm Tutorials (3)-code debugging, runningMost complete Pycharm Tutorials (4)--related configuration for Python interpreter1. ThemeThere is no doubt that Pycharm is an IDE

The main purpose of this talk is to have a basic concept of the loop object when you read the Python program. The Loop object does not exist with the birth of Python, but it has developed rapidly, especially in the era of Python 3x, which is becoming the standard form of loops. What is a Loop object A Loop object is an object that contains a next () method (Th

the official website of Python: https://pypi.python.org/pypi/pip#downloads:After the download is complete, unzip to a folder, use the CMD console to enter the Extract directory, enter:Python setup. py InstallOnce installed, we enter PIP directly at the command line, which also shows that ' Pip ' is not an internal command or a running program. Because we haven't added environment variables yet.Following the method of adding environment variables as d

system to choose, For areas in the red circle in the Windows System selection diagram.2, after the download is completed such as:3, directly double-click the download good exe file for installation, installed as follows:Click Next to proceed to the next step:Click Next to proceed to the next step:Click Install for installation:After the installation is complete, the interface appears, and the point level finish installs:Let's create our own first program:1. Click the Pycharm icon on the desktop

In Windows, wxPython and py2exe are used to develop Python GUI program instance tutorials, wxpythonpy2exe Python supports visual programming, that is, writing gui programs. You can use it to write your favorite desktop programs. Using wxPython is very simple, but you cannot drag controls like C #. You need to write your own code layout. After writing the file, yo

. There are many entry points: Python allows you to do a lot of things, such as scientific computing and data analysis, crawlers, web sites, Games, command-line utilities, and so on, there's always one that you're interested in and willing to devote your time to.with the development of the past ten years, The heat of Python has never abated. Language fire is the main manifestation of the market demand,

Several online Python tutorials:Concise Python Tutorial: http://woodpecker.org.cn/abyteofpython_cn/chinese/Liaoche Python Tutorial: http://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a0000 Basic Science Python:https://github.com/qiwsir/itarticles/blob/master/basicpython/index.mdW3cschool Python