Python

#-*-encoding:utf-8-*- fromCollectionsImportdefaultdictclassNews (object):def __init__(self, title, type): Self.title=title Self.type=typedef __repr__(self):return "{' title ': '%s ', ' type ':%s}"%(Self.title, self.type) newses=[News (U"Macro

Python Basics1. Statements and syntax# #: The string that follows is a Python comment\ nthe line break is the standard delimiter\ (backslash) to continue on line;(semicolon) Links two statements to a single row, allowing multiple statements to be

#-*-Coding:utf-8-*-"" "@author: Jiangfuqiang" "" Import reimport urllib2import cookielibimport timedef startparser ( author,page=1): Reg = R ' \s*\t*\n*\s*\t*\s*.*?\t*\n*\t*\s* ' CJ = C Ookielib. Lwpcookiejar () Cookie_support = Urllib2.

Previously in the international version, the need to support the Chinese and English switching function, in such a large variety of source files to find the source file key is the language resource package corresponds.Just used the previous Python,

The exception is a Python object that represents an error. all exceptions are members of the base class exception. All exceptions are inherited from the base class exception and are defined in the Exceptions module. Keywords related to

Python's own urllib,urllib2 can be very convenient to do HTTP operations, after we submit a message request in HTTP, it is possible to see the return of the error "403 Forbidden", which is the request of the site to prevent, so we need to disguise

1. For. xls files, the following libraries can be usedXLRD: Third-party controls that read data from Excel;XLWT: Third-party controls that write data from Excel;Xlutils: Use the XLRD, XLWT Toolbox.Note: Installation process requires the installation

In Python, function declarations and function definitions are considered to be integral. In Python, the basic form of a function definition is as follows:def function (params): Block return Expression/valueDescription(1) Use the DEF keyword in

A simple requirement, a simple script.Starting with an IP, generate the correct IP address by the specified number.#!/usr/bin/env python## encoding:utf-8import osdef getip (IP, count): count = Int (count) ip2 = Int (Ip.split ('. ') [-2]

Python Set constant parametersby Wusheyingconst.py:class_const:classConsterror (TypeError):PassclassConstcaseerror (consterror):Passdef__setattr__ (Self,name,value):ifSelf.__dict__.has_key (name):RaiseSelf . Consterror,"Can ' t change const.%s"%

from:http://blog.csdn.net/zhaoweikid/article/details/125898Some time ago, the forum was discussed how to use Python to send the need to authenticate the mail, I am in my FreeBSD telnet to 163 of the SMTP server, analyzed, the use of Python to write

__author__ =  ' root ' from datetime import *timeforat =  "%Y-%m-%d %H:%M:% S "Class ctimehandle ():     def __init__ (Self, timeformat=timeforat):         self._format = timeformat         self._year =  ""         self._datetime  = datetime.now ()  

Matplotlib's official website: http://matplotlib.org/Matplotlib can be embedded in Tex code, drawing the graphics to add more beautiful text.ImportMatplotlib.pyplot as PltImportNumPy as Npx= Np.arange (-4, 4, 0.1) F1= Np.power (10, x) F2=Np.power

Why PythonWhy do you want to learn python?1) Daniel is using2) easy to learn, compared to C + +3) Python's powerful featuresLearning Resources　　I chose Google's Python Class QuickStart python (a two-day tutorial was recorded as a video, uploaded on

Skill is not embodied in the originality of the structureBut it is reflected in the mastery of several objects, "handy" so much.Def getinfo (tp= (' 1000000 ', ' 888810 '), Queue=queue): username, password = TP Try:s = requests. Session () R = S.post

The Python packages are now installed via PIP.So a very important step is to configure the PIP installation sourcevi ~/.pip/pip.conf[global]index-url = http://pypi.douban.com/simpleIn addition, the Python package on Mac has two

Python study notes (8)-errors, debugging, and testing 1. handle errors 1. Use try... exception... finally Try: print 'try... 'r = 10/0 print 'result: ', r # If an exception occurs, this statement will not be printed. Alias t ZeroDivisionError, e: #

Python parses JSON and performs custom encoding at the same time. During JSON deserialization (deserialize) of the file content or string, due to the encoding problem of the original content, the deserialized content may need to be encoded (for

Python is a simple notebook program instance developed using wxPython, pythonwxpython I. Introduction WxPython is an excellent GUI graphics library in the Python language. It allows Python programmers to easily create a complete GUI with full

Examples of commonly used Date and Time Processing Methods in Python and python #-*-Coding: UTF-8-*-import datetime # date def dateadd_day (days) for the given date to the next N days: d1 = datetime. datetime. now () d3 = d1 + datetime. timedelta