Python

function function composition定义函数:使用def即可 def __getName(idCard): return user_info[idCard].Name 其中，__getName即函数的名字，包含一个参数idCard如果需要有返回值，return即可 def __test(): print(a) return print(b)

Process ControlWith the C language is not the Python Process Control code block is not denoted by {} curly braces, but forced indentation control, and indentation must be consistent, the official recommendation is to use 4 spaces, not recommended to

in the collection of Beauty station , we need to keyword Word segmentation, the final use of Python's stuttering word segmentation method.Chinese word segmentation is a basic work in Chinese text processing, and stuttering participle is used for

A. Use cookies to accessImportrequestsheaders= {'user-agent':'mozilla/5.0 (Windows NT 6.3; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/44.0.2403.157 safari/537.36'}cookies= {'Cookies':'bid=a3mhk2yepzw, ll= "108296"; ps=y; ue= "[email

set your own template under Pycharm:In the file---settings---The file and Code Templates---The Python script, add:#!usr/bin/env python  #-*-coding:utf-8 _*-"""@author: ${user}@file: ${name}.py@time: ${year}/${month}/${day}"""One, the first Python

This article mainly records the implementation code that uses Python's requests module to send a POST request.#Coding=utf-8ImportUnitTestImportRequestsclassposttest (unittest. TestCase):defsetUp (self): host='https://httpbin.org/'Endpoint='Post'Self.

Lambda Anonymous functionsWhen we pass in a function, there are times when we don't need to explicitly define a function, and it's easier to pass in an anonymous function directly.In Python, there is a limited amount of support for anonymous

Nicecui This article declined to reprint, if necessary to obtain the author's consent, thank you. This article link: http://www.cnblogs.com/NiceCui/p/7858473.html Email: [Email protected] Date: 2017-11-18 Python learning

Urlparse module is mainly used to resolve the URL parameters in the URL according to a certain format for splitting or splicing1.urlparse.urlparseDivides the URL into 6 parts, returning a tuple containing 6 string items: protocol, location, path,

1) InheritanceBase class Baseclass:def __init__ (self,name,age): self.name = name Self.age = Age print "BaseClass I  S inited "Def speak (Self,name): print" base class is speak:%s "%name if __name__ = =" __main__ ": b = BaseClass () derived class

When parsing the adorner in the code, Python passes the decorated function as the first parameter to the adorner function. If you want the adorner to accept other parameters, you need to create an adorner factory function, pass the argument to it,

First, the moduleA module is a file that contains the Python definition and reputation, and the filename is the module name plus the. py suffix.Import loaded modules are divided into four general categories:1. Code written using Python (. py file)2.

This article mainly describes how to find the absolute path of a Python module, the following is an example of OPENCV module lookup. There are two waysThe first of these methodsOpen a terminal, enterPython-vImport Cv2The last line shows the

#用户交互 to output your name and ageName = input ("Your name:")#输入姓名Age = Input ("Your Age:")#输入年龄Print ("------------------------")Print ("Name:", name, "\ n Ages:", age) #用户交换 See how long a person can live death_age = #先定义一个变量 save Age name =

Reference Blog: http://blog.csdn.net/SeeTheWorld518/article/details/48314501Http://www.jb51.net/article/49325.htm Functions commonly used in the time module Function Function Time.time () Get time

Bloggers originally wrote Java, because the work is relatively busy, and the AI and big data are rapidly rising, so want to learn python.Beginner's first stepDownload python install Python in Windows installation package, it is recommended to

1. Lists and dictionaries, directly assigned, are shallow copies, where both sides point to the same address, because Python passes by reference to mutable objects.>>> a = [1, 2, 3]>>> B =a>>>b[1, 2, 3]>>> A[0] ='Apple'>>>a['Apple', 2, 3]>>>b['Apple'

1.capitalize First word capital letter2.title capitalize each word first letter3.upper uppercase per letter4.lower lowercase per letter5.len () string length6.format () format print ("{}". Format (' AA '))7.replace Replacement Str.replace8.find ()

In the previous study of the comparison of multi-mode, there are forward search, there are back-to-search, there is a positive pattern, there is a negative mode. This time to learn one, is the post-search affirmation mode, meaning that has been

Teach you how to create a sub-domain name collection and information collection sub-domain name This task: use scripts to collect website subdomain name information using search engines.Preparation tools: python installation package, pip, http