Python

ImportOS#get the root directory, recursively get the path to the TXT fileList_dirs =Os.walk (os.curdir) txtfilenames=[] forRoot, dirs, filesinchList_dirs:#For D in dirs: #print Os.path.join (root, D)Filenames=filter (Lambdafilename:filename[-4:]=

Today is the first day to learn python.To install Python:It's easy to install Python. Download the python2.7 version on the https://www.python.org/website and install it directly, all the way to next. The default installation path for Python is

Sometimes there are some error-wrapping data, such as the correct data should be:20141010,aaa,bbb,ccc,ddd,eeeBut the actual data given here are:20141010,aaa,bbb,ccc,ddd,eeeIn this way, error wrapping occurs, and when some data is processed, it

Static variables:xxxclass.py:1 class Xxxclass: 2 3 Const_value = 10.1tester.py:1 Import Xxxclass 2 3 Print XXXClass.XXXClass.CONST_Value 4 5 XXXClass.XXXClass.CONST_Value = 2.667print XXXClass.XXXClass.CONST_Value-----------------------------

Python Path IntroductionImport the appropriate modules in Python using Import or From...import.Module is actually a collection of functions and classes of files, it can achieve some of the corresponding functions, when we need to use these functions,

1 fromRandomImportChoice2 3Cave_numbers = Range (1,21)4Wumpus_location =Choice (cave_numbers)5Player_location =Choice (cave_numbers)6 whilePlayer_location = =wumpus_location:7Player_location =Choice (cave_numbers)8 9 Print "Welcome to Hunt the

Where the __getattribute__ is unconditionally invoked.The __getattribute__ method is implicitly called when a property is accessed for any object, such as calling T.__dict__, which actually executes the t.__getattribute__ ("__dict__") function. So

What is the QR code?Two-dimensional code from one-dimensional code extension, adding another dimension of readable barcode, with black and white rectangular graphic representation of binary data, the device is scanned after the information contained

The following is translated from nose official documents, because the level is limited, inevitably there will be errors ....Nose is a test tool for the Python platform, and it is believed that people who have developed it with Python know that

This module provides 3 interesting functions, which are described below for their usage. The first is the partial function, which can rebind the optional parameters of the function to generate a callable partial object >>> Int (' ten') # is

#!/usr/bin/env python# import smtplib for the actual sending  functionimport sysimport getoptimport smtplibsender =  ' [email protected] '        #这里输入发件人邮箱地址 # if there are more than one receiver,  you need to ganerate a list. receiver = ['

Selenium + python + shell + crontab + firefox, seleniumcrontab I have recently tried an automatic punching script and found several problems. I would like to record them here. Environment: Ubuntu 12.04.4 LTS Selenium 2.43.0 Firefox 32.0.3   1

Python notes, python This article is a supplement to the Python notes -- decorator. When using the decorator, some attributes of the decorated function will be lost, such as the following code: 1 #!/usr/bin/env python 2 3 def deco(func): 4 def

I want to learn Python with my colleagues. I want to talk about small functions (1). I want to learn python. At the beginning, we will mention a major topic: programming paradigm. What is a programming model? Reference Wikipedia:Copy codeThe Code is

Learn Python documentation from the old man, Documentation is important. The sword tips, the heart of yijinjing, And the hacker who wrote the evil sword spectrum are all documents. Even those cool people need these documents. What's more, what about

Python class inheritance usage instance analysis, python usage instance analysis This example describes how to use python class inheritance. Share it with you for your reference. The specific method is as follows: #!/usr/bin/python# Filename:

Daily "cool" textwrap, textwrap Introduction: You can use the textwrap module to format the text to be output in case of beautiful printing. This module allows you to improve functions such as automatic line feed or filling of paragraphs through

Python pi method, pythonpi Method This example describes how to use python to calculate pi. It is an article translated from a foreign website and shared with you for your reference. The specific implementation method is as follows: # _ * _ Coding =

Python logs based on the file size, The example in this article describes how to log by file size in python and share it with you for your reference. The specific method is as follows: Import glob import logging. handlers LOG_FILENAME = 'logging _

Python implements three methods to process one character each time, and python three methods This example describes three methods for python to process a single character each time. Share it with you for your reference. The specific method is as