Python

This paper collects a variety of solutions using Python to achieve the Yang Hui Triangle, mainly for online collection, and some of them are written by themselves. It is possible to understand the different ideas of Python writing an algorithm and

First, the home page output simple dataCore code;Index.html {% block Page-container%} {{articles}} {{Request.path}} {% Endblock%} views.pydef index (request): articles = models. Article.objects.all () return render (Request, ' index.html ', {'

The above problem arises because the listen function is not setFrom socket import *from time Import ctimehost = "PORT = 21567BUFSIZ = 1024ADDR = (host,port) Tcpsersock = socket (Af_inet, SOCK_STREAM) Tcpsersock.bind (ADDR) Tcpsersock.listen (5)

Resolves issues where multiple versions coexistVIRTUALENV provides a Python installation for each of the different projects. It does not actually install multiple copies of Python, but it does provide an ingenious way to keep the project environment

Data types in Python include: int,float,boolean,string,list (list), set (set), Dictionary (dictionary)Data type conversions:① string to int:>>>string = ' 123 ' >>>int (string) output 123②int to String: >>>STR (520) Output ' 520 '③int to float type: >

# last new element in listLi = [11, 22, 33]Print (LI)Li.append # Add an element to the original list lastPrint (LI)EXECUTE as follows:[11, 22, 33][11, 22, 33, 44]# empty ListLi = [11, 22, 33, 44, 55]Li.clear () # empty listPrint (LI)EXECUTE as

#!/bin/env python#!-*-Coding:utf-8-*-Import OSPrint Os.name #输出主机平台Print OS.GETCWD () #输出当前目录Print Os.listdir (OS.GETCWD ()) #输出当前目录的文件 (Landscape)For I in Os.listdir (OS.GETCWD ()): #输出当前目录的文件 (Portrait)Print IOs.makedirs ("/tmp/tong/123")

Import xlrddef open_excel (filename= "transinfo.xlsx"):TryFilehandler = Xlrd.open_workbook (fileName)Return FilehandlerExcept Exception as E:Print (str (e))def scan_excel (sheet_name1=u ' Sheet1 '):Handler = Open_excel ()page = Handler.sheet_by_name

Requirement: Generate random non-duplicate verification code.Code:#!/usr/bin/env python#Encoding:utf-8"""@author: The great man KAMIL@FILE:200NUMBER.PY@TIME:2016/4/13 23:33"""Importrandom,stringdefRand_str (num,length = 7): F= Open ("Activation_code2

Often need to find some log information in the Binlog, so wrote a simple script. For a very large Binlog file, the script may be slow, after all, still use the list, temporarily did not think of a good way.See the code in detail:#/usr/bin/python#2016

Import Randomdef rand (n): For I in range (n): Yield Random.randint (0,1000) #创建一个随机数列表def createlist (n): lists=[ ] for I in Rand (n): Lists.append (i) return lists# dig pit high-speed sequencing def quick_sort (lists,l,r): if (l=x): J-=1 if (ix

Install Python on WindowsFirst, download the latest version of 2.7.9 from the official website of Python, the address is this: www.python.orgHttp://www.python.org/ftp/python/2.7.9/python-2.7.9.msiThen, run the downloaded MSI installation package,

Import Re library fileImport refrom re import findall,search,sSecret_code = ' HadkfalifexxIxxfasdjifja134xxlove xx23345sdfxxyou xx8dfse ' #红色为待带抓取内容. Examples of UseA = ' xy123 'b = Re.findall (' x ... ', a)Print b #执行后返回xy12, x ... Medium "."

Although I used Python to do several small sites behind the scenes, but did not touch all aspects of Python. This time to participate in the 51cto network of old boy Python operation and maintenance courses, to check the gaps.This blog post will be

Now the online resources are particularly rich, especially if you see some of the site's good-looking pictures will want to save, but it is troublesome to need one click to download, but if we use the program to deal with, the problem will become

Change Article main translation: https://pypi.python.org/pypi/python-decouple/There is no place to look at the great God point out, thank you.decouple Introduction :Detach the settings from the codeDecouple will help you to parse your program

Today saw a long time ago in school when a pseudo-code, tells a strange story, today with Python to do exercises.The pseudo code is as follows:Class Monster {char monster name; int blood; monster (monster name N, blood N)/* constructor */{monster

[Getting started with Python notes 015] string: FormatReplacement Location parameters and keyword Parameters Note:: The position parameter must be prior to the keyword parameter; it is a dot rather than a comma (the yellow rectangle area is the

Python socket multi-thread communication instance analysis (chat room), pythonsocket This article describes the multi-thread communication method of python socket. We will share this with you for your reference. The details are as follows: #!

Convert the python script to xls (xlsx) to csv and pythonxlsx # Xls_csv Convert xls and xlsx files to csv files. # UsePython xls2csv. py # -*- coding: utf-8 -*-import xlrdimport xlwtimport sysfrom datetime import date,datetime def