Python

First, regular expressions extract the content of the Web pageanalytic efficiency: Regular Expressions >lxml >beautifulsoupCode: Import reImport Urllib2urllist = ' http://example.webscraping.com/places/default/view/United-Kingdom-239

ImportOSImportOs.path fromWin32comImportClient as WCC=[] RootDir=["d:/77"]#take this path as an experimentdeftxt (j,c): Word= WC. Dispatch ('Word.Application') Doc=Word. Documents.Open (C[j]) newname=c[j][:-5]+"(Translate txt)"Doc. SaveAs (NewName,4)

Pseudo code:SS = socket () #创建服务器套接字Ss.bind () #把地址绑定到套接字上Ss.listen () #监听连接 (maximum number of connections)Info_loop: #服务器无限循环cs = ss.accept () #接受客户端连接Comm_loop: #通信循环CS.RECV ()/cs.send () #对话 (Receive/Send)Cs.close () #关闭客户端套接字Ss.close ()

DemandWe need to copy to other people or submit to the server also use the same module, so as to maintain and develop the same, so we need to manually write configuration module information.MethodUnder the root directory, create aRequirements.txt

A built-in functiontake the index of the dictionary and key unorderedset unordered, ,,,, plus and deleteImmutable collectionsHash: For text verification, if two strings are the same, the hash value is the same. View data typesthe Iter method turns

1. Download Python 3.6.1wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz2,./configure./configure--prefix=/usr/local/python3.6.13, Make&makeinstall4. Create a virtual environmentVirtualenv-p/usr/bin/python3 py3env5. Activating the

1. What will the following code output?Map (lambda X:x*x,[y for Y in range (3)])[014]Answer2. What will the following code output?def f (x, L = [])For I in range (x):L.append (I*i)Print LF (2)F (3,[3,2,1])F (3)1, [01]2, [321014 ]3, [01014]Answer3,

https://my.oschina.net/mcyang000/blog/289460 Open the path contains Chinese files, note: 1 in the Windows file name encoding is encoded with GBK and so on to save, so to decode the file path first, in the GBK code: String-Decoding to

Contextlib Module: Context Manager toolSimple implementation with...as ...As is the object returned by __enter____EXIT__ returns True, does not throw an exception, returns false, throws an exceptionclasswithincontext:def __init__ (self, Context):

1 fromMultiprocessingImportPool2 fromTimeImportSleep3 defFoo (i):4Sleep (1)5 Print(i)6 7 8 if __name__=="__main__":9 #5 threads will execute simultaneouslyTenPool = Pool (5) One A forIinchRange (50): - #request a process from

1. Composition of identifiers1) There are numbers, underscores, English letter composition2) The first character can only be a letter or an underscore3) uppercase and lowercase sensitiveIdentifiers are usually variable names, method names, class

Itertools module: Processing an iterative objectChain () and Islice (), Tee ()Chain: Merging iteratorsIslice: Cutting iterator, Start,end,stepTee: Copy iterators, new iterators share input iterators, new iterators do not affect fromItertools Import *

Topic:Given a group of strings, you need to find the longest uncommon subsequence of this group of both strings. The longest uncommon subsequence is defined as the longest subsequence of one of the these strings and this subsequence should Not being

How do I find the site-packages folder in Python?Useful in Mac OS or Linux, because these systems typically have multiple versions installed at the same time. Especially Mac OS 10.5, the directory structure is too messy.In the Python environment:

This article is to introduce the use of Python developed crawler framework Talonspider simple introduction and use of methods, the need for small partners can refer to the following 1. Why do you write this? Some simple pages, do not need to use a

Recently idle to see the Tanzhou Education online Live course, quite by the teacher lectures practical feeling. Only as a note of their own learning, we all know that learning a program is copied first, in the creation. Here in full accordance with

recently, a least-squares code was written and a picture was drawn with matplotlib, but the problem of Chinese garbled characters was encountered. After a simple search, it was found that someone had summed up a better solution, and the pro-test was

1. Inheritance of classes and overloading of methods The above is defined by a Class A, and then by the definition of a class B,b inherits the Class A, so that B has a non-private properties and methods. 1 class washer:2 company= ' ZBL ' 3 def _

1. In sublime text of the official website to download, is suitable for their own system version. Website address: 2. After installation, open in the menu bar: Preferences--->settings (this is the time to write this, the latest version of the

Python 49th-paramiko module installation big battle, python-paramiko Preparation for study: paramiko module, found that this module is very difficult to install After a long time, the paramiko module of pytyon 3.6 in win10 64 could not be installed.