Python

1. Position parameters: General Parameters2. Default parameters:1 def Power (x, n=2):2 s = 13while n > 0:4 n = n-15 s = S * x6 return sThere is a default assignment in the parameter, and the Power (5) is the square when

First, OSImportOs#some operations on the operating systemPrint(OS.GETCWD ())#fetch Current Working directoryOs.chmod ('/usr/local', 7)#add permissions to Linux files/directories, bad for Windows, 1 perform 2 write 4 readOs.chdir ('.. /')#Change

Built-in functionsNext, let's take a look at the built-in functions in Python. As of Python version 3.6.2, Python now provides us with 68 built-in functions altogether. They are all the functions that Python gives you to use directly. Some of these

Python Logging Module TOC Objective Design of logging Module The logical inheritance structure of logger Log output to multiple I/O devices Log format and Content rich The level of logging is also the

First, install Pytesseract and PILPIL full name : Python Imaging library,python image processing Library, which supports a variety of file formats and provides powerful image processing and graphics processing capabilities. Since PIL only supports

Simple implementation of Python to send text messages1 #!/usr/bin/env python2 #-*-coding:utf-8-*-3 4 #@Time: 2018/4/25 17:095 #@Author: Zms6 #@Site:7 #@File: sendemail.py8 #@Software: pycharm Community Edition9 Ten Import Time One

0x00 config phantomJS1, under Windows platformThis method is used for automated testing by the browser.1, download the Google DriveHttps://chromedriver.storage.googleapis.com/index.html2. Put the extracted chromedriver.exe into the Chrome browser's

# _*_ Coding:utf-8_*_From selenium import WebdriverDriver = Webdriver. Firefox ()Driver.get ("http://www.baidu.com")driver.find_element_by_id ("kw"). Send_keys ("Selenium2")driver.find_element_by_id ("su"). Click ()Workaround, install the browser

. py file to exe file1. Software Description:Using Python to write a video processing software, the library used is moviepy2. The software used:Python 3.6.5 32-bitPycharm dedicated python editing IDE, recommended for use

Infi-chu:http://www.cnblogs.com/Infi-chu/First, the size of the Web crawler:1. Small size, small amount of data, crawl speed is not sensitive, requests library, crawl Web page2. Medium scale, large data size, crawl speed sensitive, scrapy library,

Pit Example 1. Using the process to implement producer, consumer model Python support for the process is implemented through generator. Ref: 49924099 Reference: Https://www.liaoxuefeng.com/wiki/0014316089557264a6b348958f44994

Life is too short, I use Python, why say so, because we automated testing has a golden sentence: After learning python, you can heaven ~ Not much nonsense, I believe many people have heard the previous

This is a Python crawler for small white free teaching course, only 7 section, let the zero basis of your initial understanding of the crawler, followed by the course content to crawl resources. Look at the article, open the computer hands-on

Random is a built-in (built-in) function that generates random numbersImport module:Import You can then invoke the function under the random module using dir (random) to see what functions are under the random module, with the following

# This article mainly describes the Python reference module and Python lookup module path of the relevant information, the need for friends can refer to the followingThe mutual independent reference between modules is the basic ability of any

mutable/Immutable objects define immutable objectsThe value that the object points to in memory cannot be changed. when a variable is changed, because the value it refers to cannot be changed, it is equivalent to copy the original value and then

Below for you to share a Python limit function calls the number of examples, with a good reference value, I hope to be helpful to everyone. Come and see it together. The following code, which limits the number of times a function is called in a

This article mainly teaches you how to use Python to write a beautiful downloader, with a certain reference value, interested in small partners can refer to The example of this article for everyone to share the python to write the specific code for

This article mainly introduces the list of Python in the detailed operation method, including create, access, update, delete, other operations, the need for friends can refer to the following Lists are the most basic data structures in Python, and

This article mainly introduces the method that TensorFlow uses the flags to define the command line parameters, and now share to everyone, also to make a reference. Come and see it together. TF defines tf.app.flags, which is used to support