Python

I. Getting started with Python1.1 Python Chinese encoding　　　Before learning Python's Chinese encoding, we need to know what encoding [default: Ascill]: Coding is the use of pre-defined methods to digitally encode text, numbers, or other

Collections Module Basic IntroductionCollections provides several optional data types on top of the common container dict,list,set and tuple namedtuple() Factory function for creating tuple subclasses with named

Argparse is a python built-in module for quick creation of command lines. There is a third-party module Click can also implement this function, both have advantages and disadvantages, look at the individual needs.Official

1 week the 1th day is mainly variable learning (November 8)1.1 Python installation (under Win and Linux)1.2 Ipython Installation and use1.3 Definition of variables1.4 Assigning values to variables1.5 Operators (Assignment, arithmetic, relationship,

1. List Linux distributions by series and describe the connection and difference between different distributions.Linux distribution is divided into Slackware, Debian, redhat three series, the other series including ArchLinux, Gentoo and so

Thread: Multithreading of the underlying support module, generally not recommended to use;Threading: Thread is encapsulated, some threads of the operation of the object, the general use of this method to achieve multithreaded programmingThere are

Here is the "dictionary dict" and "Set set" types, first of all, to understand, for Python, the standard hashing mechanism is provided by the hash function, for the call to a __hash__ method:>>> Hash (56>>>) hash ("I like Python")-4698211515002810579

The first step: introduce the relevant library package:#Coding:utf-8__author__='Administrator'ImportJieba#Word breaker PackageImportNumPy#NumPy Calculation PackageImportCodecs#codecs provides the open method to specify the language encoding of the

Special methods and multi-paradigm Python is all object, but at the same time, Python is a multi-paradigm language (MULTI-PARADIGM), you can not only use object-oriented way to write programs, but also in a process-oriented way to write the

SocketSockets are also commonly referred to as "sockets," which describe IP addresses and ports, and are a handle to a chain of communication, where applications usually make requests to the network through "sockets" or respond to network

Vamei Source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!I'll start with the regular expression of Python's standard library. Regular expressions are a common tool in word processing and do not require

1. Definition and invocation of functionsIn [173]: def add (x, y): ...: print (x+y) ...: return x + y ...: in [174]: Add (3,5) 8out[174]: 82. Parameters of the functionIn [177]: def add (x, y):      ...:     ret  = x + y     ...:     print (' {} +  {

Vamei Source: Http://www.cnblogs.com/vamei Welcome reprint, Please also keep this statement. Thank you!Under the operating system, the user can manage the files through the commands of the operating system, referring to the Linux file management

Def func1 (): alist = [' Cathy ', ' Terry ', ' Joe ', ' health ', ' Lucy '] for I in range ( -1,-len (alist) -1,-1): Print I,al Ist[i]def Func2 (): alist = [' Cathy ', ' Terry ', ' Joe ', ' health ', ' Lucy '] for I,name in Enumerate (alist): print '

Def func1 (): Dict1 = {} Dict2 = {' name ': ' Earth ', ' Port ': +} return dict1,dict2def Func2 (): Return Dict ([' X ', 1] , [' Y ', 2]) def func3 (): Adict = {}.fromkeys ([' X ', ' y '],23) return adictdef Func4 (): alist = {' name ': ' Earth ', '

This example summarizes the formatted output usage in Python. Share to everyone for your reference, as follows: Python has a total of two formatting output syntaxes. One is similar to the C-language printf approach, called formatting Expression >>

[this article is from the Sky cloud-owned blog park]Previous articleUsing WEBDRIVER+PHANTOMJS to automate a browser-free processThe idea and realization of this articleI want to crawl the "my flash" section of the blog Park to a local file, using

Use SocketServer in Python to implement non-blocking communication between the client and the server. The SocketServer module is used to implement non-blocking communication between the network client and the server. First, let's take a look at the

Common python formatting output summary and python output summary This article summarizes some simple and basic formats of output formatting. I will not talk about them here. Let's take a look at the details. I. Print strings >>> print "I'm %s" %

Describes the basic usage of json in python and the pythonjson When using json in Python, The json module is mainly used. json is used for data interaction in a good format. In many cases, json data format can be used as an interface between