Python

If statement:IfElifElseHalf the representation of the IF statement in Python:1 ifp_1:2 Print('is 1')3 elifp_2:4 Print('is 2')5 Else:6 Print('is 3')If the condition satisfies p_1 will output is 1, if the condition does not meet p_1

--version 1 Only completes communication between the server/client.1. Server-side code:#!/usr/bin/python#!coding:utf-8 fromSocketImport*ImportOs,sysif __name__=="__main__": #Defining Socketshostip='127.0.0.1'Port=2048sock=socket

Object-oriented:is a programming paradigmRole: improve software reusability and flexibility, extensibility All things in the world are objects, the object refers to a specific state, characteristics, behavior of the entity Knowledge Point one: code

Hundred word slash is a very good word memory app, in the course of learning, it will record every word you learn and the number of times you answer the wrong, through this list can be easily found in the memory of which words are always repeated

Transferred from: http://www.cnblogs.com/vamei/archive/2012/12/11/2772448.htmlPython is all objects (object), and each object may have multiple properties (attribute). The properties of Python have a unified management scheme.Properties of the

Code:# _*_ Coding:utf-8 _*_import urllib2import refrom datetime import Datetimeclass qsbk:def __init__ (self): SELF.P Ageindex = 1 self.user_agent = ' mozilla/4.0 (compatible; MSIE 5.5; Windows NT) ' self.headers = {' user-agent ':

1 # demo.py 2 # 3import sys45print sys.argv#python demo.py 11 22 33 44 55[' demo.py ', ' 11 ', ' 22 ', ' 33 ', ' 55 ']Visible, SYS.ARGV is a list, and sys.argv[0] is a file name;File operation:1[Email PROTECTED]:~/CP#python demo.py2['demo.py', 11]3

Recently, just after the internship, very much like the experimental building, but their own direction is still not sure, I think the space is very large, although already a senior person, think of others are busy to buy professional clothes, buy

>>>Importarray# defines a sequence data structure>>>Help (Array)　　#创建数组, equivalent to initializing an array such as: d={},k=[] and so on array (TypeCode [, initializer])--The create a new array #a =array.array (' C '), determines that the following

Optimization of the algorithm time complexityThe time complexity of the algorithm has the greatest impact on the execution efficiency of the program, and in Python it is possible to optimize the time complexity by selecting the appropriate data

type()function can either return the type of an object or create a new typeDEF fn (self, name= "World"): print ("Hello,%s!"% name) Hello = Type ("Hello", (object,), Dict (hello= fn)) h = Hello () >>> H.hello () Hello, world!>>> type

Reproduced in: http://blog.chinaunix.net/uid-26000296-id-4394470.htmlI. INTRODUCTION of JSONJSON (JavaScript Object Notation) is a lightweight data interchange format. Easy for people to read and write. It is also easy for machine parsing and

1. List of built-in methods for file objects1 method actions for file Objects2 file.close () Close file3 File.fileno () returns the descriptor of the document (file descriptor, FD, integer value)4 File.flush () flush the internal buffer of the file5

The most complete Pycharm tutorial (32) -- install Pycharm on Linux based on FHS 1. Subject How to install Pycharm on Linux according to FHS. 2. Platform requirements Intel Pentium III/800 MHz or higher. The minimum memory size is 512 MB. 1 GB

A little python every day: getting started with the web. py framework, pythonweb. py framework When building a public platform, you can use web. py, a convenient and simple framework. Framework document:Http://webpy.org/docs/0.3/tutorial.zh-cn

Repr () function in Python, repr function in python Python can convert any value into a string: Pass it into the repr () or str () function. The str () function is used to convert a value into a form suitable for reading, while repr () is used as

Python indent syntax, advantages and disadvantages, python indent Python syntax is relatively simple-indent   Indentation has the following advantages: One of the advantages is to force you to write formatted code, but there is no rule on

Python list Operation usage summary, pythonlist This example describes the Python list Operation usage. We will share this with you for your reference. The details are as follows: List is one of the basic data structures in python. It is similar to

Python Question 1: ERROR 10053 ERRORWhen you click Delete and the background will jump from the database article to the homepage, HttpResponseRedirect ('/') will be displayed. The deleted article will be displayed on the homepage, but the database

[Python journey] Article 6 (v): producer and consumer models implement multi-thread asynchronous InteractionAlthough the title is "producer-consumer model achieves multi-thread asynchronous interaction", this should also include the Python message