edx python course

Environment preparation, install version control software pyenv1. Install pyenv using Pyenv-installerCurl-l Https://raw.githubusercontent.com/yyuu/pyenv-installer/master/bin/pyenv-installer | Bash2. Add environment variables to the bash scriptVim ~/.bash_profileexport path= "~/.pyenv/bin: $PATH" eval "(pyenv init-)" eval "(pyenv virtualenv-init-)"3. Installing python3.5.2Install the build tool first:Yum install-y gcc make patchTo install a dependency package:Yum install-y gdbm-devel openssl-deve

default from several start print (key, iterm["Text"]) # Get course in the string, ready to do reflection while True: #***while This logical relationship is written in the fun, whil if shelf write the following instance Stu will not be recognized, in this fault, too pit n um = Int (Input ("Enter the function number to execute:") num = num-1 name = course.func_list[num]["Name"] # with hints from the enumeration, in relation to the user's input and enum

of the file need to do import Win32API, Win32con, introduce the relevant class Modify the system registry function in fact, just a few lines ... Of course, because my factory must be through the proxy server to the Internet, so modify the system registry key value type I only use the REG_SZ this one, the actual other situation will have REG_DWORD ah and so on type. Then I need a configuration file, to save various scenarios "QA AH development envir

information.Key-value pairs are tagged in the dictionary in such a way that: D = {key1:value1, key2:value2}. Note that their key/value pairs are separated by colons, and each pair is separated by commas, all of which are included in curly braces. Also, remember that the key/value pairs in the dictionary are not sequential. If you want a particular order, then you should sort them yourself before using them.Instance:#coding =utf-8Dict1={' Zhang ': ' hellos ', ' Wang ': ' Wangbaoqiang ', ' li ':

with the Webdriver.Selenium2 's era incorporates the Webdriver, which is what we usually call selenium,selenium2 is the default support for Firefox browser, which is very convenient. Of course, other browsers are supported, IE and chrome need to download the driver package and add it to the environment variable.SELENIUM3 is around October 2016 out, and now the default installation is SELENIUM3, selenium3 on the basis of selenium2 made some adjustment

[Free]1th Course Introduction (Requires Android and Python basics)If you want to learn about mobile-specific testing and automated testing, don't know where to start! If you want to be in a test job, the interview is going to hit the wall, do not know where wrong! If you have been doing functional testing, do not know where the future is! Then this course is what

Applicable peopleAll-Stack Python devops development engineer for DevOps directionCourse overviewCourse Scope: Our courses include C01 to C05 five levels, including front-end knowledge, covering all the skills required to develop a qualified Python full stack engineer, plus a CA series additional lessons to help explain the development specifications and GIT usage, and keep up to date with some new knowledg

Python is a computer programming language, also known as glue language, can be used in a mixed compilation of C/c++/java and other languages such as libraries. You may have heard of many popular programming languages, such as C , which is very difficult to learn in college, a very popular Java Language in society, and Basic for beginners language, very suitable for the Java language of Web programming , and so on,

Before taking this course, a lot of small partners told me: "Don't choose Python, this course is difficult." "I didn't agree with what they said, but I didn't dare to deny it, because it was really hard to learn C and MATLAB. So, I hesitated. But perhaps the desire for credit (this elective is more than one point ...). , I have a bite to report this seems to be a

) Ans.raise_for_status () ans.encoding=Ans.apparent_encoding courseslist=Re.findall (R ' . *" ', Ans.text) xkljlist=Re.findall ("Javascript:vjsmod\ (\ '.*\ '", Ans.text) KeyName=[' KCMC ',' KKDW ',' Zyfx ',' XF ',' Yxrs ',' YL ',' Skjs ',' Skzc ',' SKSJ ',' SKDD ',' KCSX ',' Kcxz ',' Fzm ',' Xbyq '] Result=[] Item={} bar= 0Index= 0 forIinchCourseslist:left=I.find (R ' title= "') Right=I[left+ 7:].find (R ' "') text=I[left+ 7: Left+Right+ 7]#print (i) #print (text)Item[keyname[bar]]=Te

Recently in the Learning automation, learning process, more and more found the importance of coding ability, will not coding, basic can not carry out automated testing (automation tools only auxiliary).Therefore: Learn from the bitter lesson, first spent 2 weeks will be the basic knowledge of Python after learning, then into the automation of learning.Several ways to learn the basics of Python are recommend

string has a replace() method, it does change ‘Abc‘ , but the variable is a still at the end ‘abc‘ , how should it be understood?Let's start by changing the code to the following:>>> a = ‘abc‘>>> b = a.replace(‘a‘, ‘A‘)>>> b‘Abc‘>>> a‘abc‘Always keep in mind that a it is a variable, but a ‘abc‘ string Object! Sometimes, we often say that the object's a content is ‘abc‘ , but actually refers to, a itself is a variable, it points to the content of the object is ‘abc‘ :When we call a.replace(‘a‘,

: Python\lib\site-packages directory, the selenium in the beginning of all the files are deleted. All of Python's third-party packages are under this directory.2. Open cmd, enter pip install selenium==2.53.6 (Note is two = =, do not leave a blank in the middle, 2.53.6 version recommended here)>>pip Install selenium==2.53.6Six, upgrade the PIP version1. If the following red areas appear in the PIP process, that is, the PIP version is too low, it is rec

I am a photoelectric information science and engineering students, the professional name with "information", so my professional and computer language is inseparable from the beginning, I do not know the importance of machine language, learning C language, and not very serious learning, so the foundation is very poor, in the later experiments found that machine language also really play an important role, Machine language should have a common point, learn a machine language, but also for other la

1, write a Python script under Linux, the beginning of the interpreter declaration should be #!/usr/bin/env pythonDefine variable name= "Liubo" age=21 all quotes are stringsThe meaning of the variable is to indicate the data, so the variable name should make senseComplex variable names are encountered using "_" to split multiple words or capitalize the first letter of a wordSon_of_twins_brother_age = 2NAMEOFTWINSGF = "Fengjie"You cannot use "-" to con

a better solution, Please scream. Note the following: 1. For the sake of extensiveness, I used the information in the info_list list as an example. For specific use, you only need to modify info_list and URL 2. To run this program, Python needs to be installed in advance. Just install Google. **************************************** **************************************** ***************************** Today (Oct 17), I was very happy to have helpe

Python crawls the JQuery course of w3shcool and stores it locally. Recently, I am busy looking for a job. In my spare time, I am also looking for crawlers to practice, write code, and know that I am a newbie. But I need to do more exercises. Shushan has a path to work diligently. You can introduce automation, functions, and interfaces to me if you have a test pitfall. First of all, we have a clear requireme

Chapter 1 of the Python Course Chapter 1 of the Python Course 1. Enter the ascii code 1-and output the corresponding characters>>> For I in range (0,127)... Print I, chr (I)...02. Input integers a, B, c, and d4 to calculate the result of a + B-c * d.>>> A = 2>>> B = 3>>> C = 4>>> D = 6>>> Sum = a + B-c * d>>> Print sum

angle　　Absolute angle: The x-axis relative to the canvasTurtle.seth (45)　　　　Turtle angle: Relative to the turtle's current orientationTurtle.left (angle)Turtle.right (angle)　　Color System　Turtle is an RGB color system (with small values by default)Turtle.colormode (mode) #mode = 1.0 decimal value, mode=255 integer valueTurtle.colormode (1.0) Turtle.pencolor (1,1,0.4)analysis of grammatical elements of turtle libraryImportThe From library import function (*) #不用在前面加库名, but causes a function name

label as a numpy array of Python objects Int64index Special index for integers Multiindex A hierarchical Index object that represents a multi-level index on a single axis. Can be seen as an array of tuples Datetimeindex Memory nanosecond timestamp (denoted by NumPy's Datetime64 type) Periodindex Special index for period data (time interval) 2.2.d.1 Primary Inde