Python

5. SYS moduleSYS.ARGV command line argument list, the first element is the program itself path Sys.exit (n) exits the program, exit normally (0) sys.version Gets the version information of the Python interpreter Sys.maxint

ModuleIn the development of computer programs, as the program code more and more, in a file code will be more and more long, more and more difficult to maintain.In order to write maintainable code, we grouped many functions into separate files so

1 past TroublesFor some time, you want to use a different Python version of the Anaconda, directly from the official website downloaded two different anaconda version to install.At first, I didn't think it was a problem. A short period of time, when

Process programming for yiled facesBuild the content and distribute it to the followingThis is a stupid version.Built-in functionsPrint (Divmod (10,3)) divides 10 by 3, showing quotient and remainderThe enumerate function, which displays the element

#!/usr/bin/env python#-*-coding:utf-8-*-#############################File Name:test_platform.py#Author:frank#Mail: [email protected]#Created time:2017-06-05 14:31:31############################ImportPlatform OS=Platform.system ()PrintOSPrintPlatform.

1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 ############################4 #File Name:getmac.py5 #Author:frank6 #Mail: [email protected]7 #Created time:2017-06-05 17:10:518 ############################9 Ten ImportUUID One A defget_mac_address (): -

Cookies, which are data stored on the user's local terminal (usually encrypted) by certain websites in order to identify users and perform session tracking.For example, some sites need to log in to access a page, before you log in, you want to crawl

Classic Sort algorithm-bubble sort bubble sortThe principle is that the adjacent number 22 is compared, in order from small to large or from large to small to exchange,After such a trip, the largest or smallest number was exchanged to the last,And

Version (latest) windowpython:3.6.1 Address https://www.python.org/downloads/release/python-361/selenium:3.4.3 after installing Python, cmd direct pip install SeleniumPycharm:jetbrains pycharm 2017.1.4 x64 address

#!/usr/bin/env python#coding: Utf-8#for循环和else语法For I in Range (0,10,2):Print "Loop:", IElsePrint "Is gone."#continue +for CycleFor I in range (10):If I Print IElseContinueprint ' This is TA#break +for Loop, break only jumps out of the current small

Escape What it does. Meaning \\ Backslash () Back slash \‘ Single-quote (') Single quotation marks \" Double-quote (") Double quotes \a ASCII Bell

First, built-in functionsHere are a few simple examples:1.abs () to find the absolute value2.all () If all elements of the iterable are true (or if they can be iterated), the returnTrue3.any () returns if any element of iterable is true True . If

capitalize () capitalize the first letter of the string1 str1="ni hao ma"2 str2=str1.capitalize ()3 Print(STR2)#输出: Ni Hao MaCenter (width, fillchar=none) places the string in the middle, and fills it with the specified character at the set

Recently, I'm going to learn about Python, basic knowledge has a general understanding, want to get started to engage in things. I used the Python 3.5+pycharm+django 1.11.2 When you open 127.0.0.1:8000/admin using Django, you find that the Admin

built-in Functions abs() divmod() input() open() staticmethod() all () enumerate () int () ord () str () any () eval ()

Python + requests + unittest API test instance (detailed description), requestsunittest I searched for information related to interface tests on the Internet. Most of them focused on maintaining use cases in a text or table in a data-driven manner

Python finds matching items for processing and then replaces them This example describes how to search for matching items in Python and then replace them. We will share this with you for your reference. The details are as follows: Here, Python can

Python crawler DOTA ranking crawling instance (SHARE), pythondota 1. Analyze the website Open the developer tool and we can see that the ranking data is not in the doc.   Doc In Javascript, I can see the following code: Ajax post method

Python string processing implements word inversion, python string In Python string processing, there is a simple but classic question. The string is reversed by word and the original space is retained:For example, 'I love China! 'Converted to:

Python urllib crawls the instance code of Baidu cloud connection, pythonurllib Looking at my previous programs, I found that I had written something About Baidu cloud resources, which was just written by myself when I wanted to watch Transformers,