Python

I am really ignorant of programming language ... Today, I saw Liaoche's teacher about iterations, iterators, generators, recursion, and so on, word day, what's this all about?1. About iterationsGiven a list or tuple, we can iterate through for the

 When you declare variables within a function definition, they are not related to other variables with the same name outside the function, that is, the variable name is local to the function. This is called the scope of the variable. All variables

The source code is on GitHub: https://github.com/SSSDOG/SmallStudyStationSince it's a quick way to build a station with Python, the first step is to choose the framework, given that Django is a bit complicated and not very friendly to newbies, so

Snake Game:To install Pygame First, you can install Pygame using PIP:Pip Install PygameYou can run the following code:#!/usr/bin/env pythonImportPygame,sys,time,random fromPygame.localsImport*#Defining color VariablesRedcolour = Pygame. Color (255, 0

This Python script is used to monitor the content of the real-time files, such as Error or the out-of-the-way fields can be customized; my first real Python script, I feel still relatively bloated, but I intend to put on the blog record (or

Classes: Data + methodsVariable name does not have a typeObject has typeOnce a type is determined, the operations it can do depend on the methods supported by this type. Number operatorCallable Properties: DataReturns a data that shows the need to

Match function Binary_re= ' [01]* ' pattern = re.compile (binary_re) m=re.match (binary_re,deststr) if M:print m.group (0) Else:print ' not MatchThe match function is matched from the start of the string, the match fails to return none, the match

The code is as follows: 1 #!/usr/bin/env Python 2 #-*-coding:utf_8-*-3 # Get test Case file Excel 4 5 import xlrd 6 import JSON 7 8 9 class Createexcel:10 def __init__ (self): one pass @classmethod def open_excel (CLS): PA th = "Testcase.xls",

GeneratorIn Python, a mechanism that loops one side of the computation, called the generator: Generator.Such as:1 for Xin range2 >>> gobject at 0x1022ef630>Here g is a generator.IteratorsWe already know that for there are several types of data that

First, OsThe OS modules in the Python standard library are primarily concerned with common operating system functions. Can run under Linux and Windows, regardless of platform.OS.SEP can replace operating system-specific path separators.The Os.name

The adorner in Python is a very useful thing, and we can write some specific methods and common methods into a decorator, which provides a great convenience for invoking these methods, thus improving the readability and simplicity of our code, as

Python programs can handle dates and times in many ways. Converting a date format is a common routine chore. Python has a time and calendar module that can help. What is tick? The time interval is a floating-point decimal in seconds. Each

Using variable parameters with default parameters Python is the simplest way to support mutable parameters, such as using default parameters, such as: Def Test_defargs (one, 2): print ' Required argument: ', one print ' Optional argument: ',

Pymysql operation database and pymysql Database I. Introduction Pymsql is a module used to operate MySQL in Python. Its usage is almost the same as that of MySQLdb. However, pymysql currently supports python3.x, while the latter does not support

Python data type --- list use, python Data Type List representation: the element can make any data type, such as string, number, Dictionary, list, and variable. Age = 28 Name = ["Frank", "Lee", age, ["Andy", "Troy"] >>> Age = 2 >>> name =

Python port scanning simple program, python port scanning This example shares the Python Port Scan implementation code for your reference. The details are as follows: Obtain the IP address and port number of the local machine: import socket def get_

Eclipse and PyDev build a perfect Python Development Environment tutorial (Windows), pydevpython This article describes how to build a Python development environment, as follows: Directory Install Python Install python for eclipse plug-in

Python Learning 1: User Logon, python learning user logon User Login requirements: 1. the user name and password must be saved in the file. 2. You can log on three times. After three times, the account is locked. The user lock information is saved

Python simple crawler 3. python CrawlerWe will continue to study BeautifulSoup classification Printing Output Python simple Crawler 1 Python simple Crawler 2 The first two sections mainly show how to use BeautifulSoup to capture webpage information

Python dictionary operations and python dictionary operationsToday, I plan to write something every week to record my learning and mark it myself. The dictionary is the most flexible built-in data structure in python. The dictionary isUnordered(The