Python

From:http://stackoverflow.com/questions/699468/python-html-sanitizer-scrubber-filterThe following code can be used to filter the content into clean HTML content, indicating that the code from the above StackOverflow answerUse lxml.html.clean ! It '

1>>> x = List (range (11))2>>>ImportRandom3>>> random.shuffle (x)#random order of Chaos4>>>x5[4, 2, 5, 7, 0, 10, 9, 8, 1, 3, 6]6>>> X.sort (key=LambdaI:len (str (i)), reverse=true)#Specifying rule ordering7>>>x8[10, 4, 2, 5, 7, 0, 9, 8, 1, 3,

1>>> x = [1,2,3,4,5,6,7]2>>> X.pop ()#Eject and return the trailing element374>>> X.pop (0)#pops up and returns the element at the specified position516>>> X.clear ()#Delete all elements7>>>x8 []9>>> x = [1,2,2,2,3,4]Ten>>> X.remove (2)#Delete the

Str= ' Python String function ' Generate string variable str= ' python string function ' string length get: Len (str) Example: print '%s length=%d '% (Str,len (str)) One, letter handling all uppercase: Str.upper () All lowercase: str.lower (

HashlibHashlib mainly provides character encryption function, integrates MD5 and SHA modules together, supports MD5,SHA1, sha224, sha256, sha384, sha512 and other algorithmsSpecific applications#!/usr/bin/env

1 #!/usr/bin/python2 #Encoding:utf-83 ImportUrllib4 ImportOS5 defSchedule (a,b,c):6 " ""'7 A: Data blocks that have already been downloaded8 B: Size of the data block9 C: The size of the remote fileTen " " Oneper = 100.0 * A * b/C A ifPer

1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 #Import Paramiko4 #msg = " " "5 #\ (≧▽≦)/Welcome to the surface of the strongest springboard machine \ (≧▽≦)/6 # """7 #Print (msg)8 ## Create a Sshclient object9 #ssh = Paramiko. Sshclient ()Ten ## Allow

Reference 1Reference 2CSV is an abbreviation of the English comma separate values (comma separated value), as the name implies, the contents of the document are composed of "," delimited columns of data, which can be opened using Excel and a text

PythonThe lower () method converts all uppercase characters in a string to lowercase.Lower () method syntax:Str. Lower() Parameters No. return valueReturns a string that is generated when all uppercase characters in a string are

One, iterator and for statementMany articles on the web say that in Python's for statement, the object following the In keyword is a collection. For example for inch [A] PrintThe object following the in keyword in the above code is a list,

Modules and PackagesFirst, the module1, how the module was born.In 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

Python common modules are divided into two sections, respectively, the following modules Time Module Random module Hashlib Module OS Module SYS module Logging module Serial Number Module Configparser Module Re module Time

DirectoryI. Object-oriented advanced usageTwo. Type of processing standard (inheritance, authorization)Three. Iterative protocolsFour. Context Management ProtocolFive. __call__ methodSix. Meta-classSeven. Socket introduction, TCP protocol-based

[Objects and types]Student's attributes:Xiaoming ObjectName: MaleGender:Age:Height:Weight:Origin:Five basic types of objectsString, précis-writers to StrUse a series of characters enclosed in ' or '.Whole number (integer). Précis-writers to

My version is 14.04. 1. Updating the system # #如果系统没有换国内下载路径需要换下系统的更新下载路径 sudo apt-get update system sudo apt-get upgrade 2. Install pip scrapy Some packages that need to be installed with pip command sudo apt-get install python-pip 安装命令

1, first say the conclusion: the use of XML-RPC mechanism can be very convenient to implement RPC calls between servers. 2. The test results are as follows: 3. The source code is as follows: The source code for the server side is as

The code is here: Wzyonggege/python-wechat-itchat Word clouds can be converted to small yellow people pictures --------------------------------------------------------------------------------------------------- 0. itchat Recently studied some of

The difference between a process and a thread: thread = = Instruction set, Process = = Resource Set (thread set) 1. Threads in the same process share memory space, process is independent from process 2, the thread in the same process can

If you are not very clear about the for loop in Python, then it is recommended that you look at this article, this article mainly introduces you about how the for loop in Python works, the introduction of the very detailed, for everyone has a

Python function Summary (updating...), python updatingRange usage Function prototype: range (start, end, scan ): Parameter description: Start: The count starts from start. The default value is from 0. For example, range (5) is equivalent to range