Python

# local variables, only variables in the function body can be called def Fun (): = 234 print(a) # global variables, declared outside the body of a function, can be called in the body of a function ' GYC ' def Fun (): = 234 Print(

Import UrllibImport Urllib2Murl = "http://zhpfbk.blog.51cto.com/"useragent = "mozilla/5.0 (Windows NT 10.0; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/56.0.2896.3 safari/537.36 "req = Urllib2. Request (Murl)Req.add_header (' user-agent ', '

About the Python decorator, not the system introduction, just to say some questions1 First understand that variables act on very important2 next to understand closures1 def Logger (func): 2 def Inner (*args, * *Kwargs):3

1Password_list = ['*#*#','123']2 defAccount_login ():3Password = input ('PassWord:')4Verify_password = Password = = Password_list[-1]5Reset_password = Password = =Password_list[0]6 ifVerify_password:7 Print("Login Successful")8

Often use sleep time,Started using sleepxxx to showThis is still not intuitive.The effect is as follows:==================================sleep s===================================00:00 [================== ============================================

There is a simple rule of thumb to the tell == -you-use or is . ==is for value equality. Use it when you would like to know if both objects have the same value. isis for reference equality. Use it when you would like to know

Os._exit () will terminate the Python program directly, and all subsequent code will not continue to execute.Sys.exit () throws an exception: Systemexit, if the exception is not captured, the Python interpreter exits. If there is code to catch this

#-*-coding:utf-8-*- fromEmail.headerImportHeader fromEmail.mime.textImportMimetextImportSmtplibdefsendmail (Subject, Content): Sender="' #Sender MailboxPassword ="' #Sender Mailbox PasswordRecipients ="' #Recipient MailboxHost ="' #Sender Mailbox

function 11/1Function: Refers to the collection of a set of statements through a name (function name) to encapsulate, to execute this function, just call its function name is okay.Def sayhi (): Name of functionPrint ("Hello, I ' m Hequan")Sayhi ()

Python development "frontend": Csskylin Zhang published in 2016-11-10 13:13:57css style selectorSet the Style property on the label: First floor Second floor Third Level Write the corresponding style directly in the DIVID Selector

Generate 20 random files, the file name may be duplicated because no hash name is usedThere are 30-50 sequences in each fileEach sequence has a length of 70-120 baseimport osimport randomimport stringprint  (dir (string)) Letter = string.ascii_

vi tab.py# !/usr/bin/env python # python Startup file Import Sysimport readlineimport rlcompleterimport atexitimport os# tab Completion Readline.parse_and_bind ( /span> " tab:complete " ) # history file Histfile = Os.path.join (os.environ[ "

#!/usr/bin/env python #-*-Coding:utf8-*- age = Int (input ("Enter your Ages")) if age : print ("You are an adult") else: print ("Input error, re-enter") ------------------------------- ---------------- name_list = ["Jin", "Tom", "

#!/usr/bin/env python #-*-Coding:utf8-*- age = $ for I in range (3): intput = int (input ("Guess my Ages:")) if Intput Old: print ("Input too large, please re-enter") elif intput = : Print ("Answer right, game out")

#!/usr/bin/env python #-*-Coding:utf8-*- w_sex = "female" m_sex = "Male" w_age = all m_age = Sex_inpu t = input ("Please enter your Gender:"). Strip () age_input = Int (input ("Please enter your Age:")) if sex_input = = W_sex and

Recently in Python with the Matplotlib draw line chart, encountered the axis "digital + scale" mixed display, title Chinese display, batch processing and many other Problems. By learning to solve, to Record. If there are errors or deficiencies,

Python 3.4 Library setup, pythonlibrary   Unofficial Windows Binaries for Python Extension Packages http://www.lfd.uci.edu /~ Gohlke/pythonlibs /. Http://www.scipy.org/install.html Https://pypi.python.org/pypi/setuptools#downloads Scipy: scientific

Modify the default Python version.Python default version Modification   When multiple versions of Python are installed on the computer, and the default Python version in Shell is not what you want, you need to modify the default version of Python.

Detailed explanation of python Development Environment establishment, detailed explanation of python Establishment Although there are a lot of articles on the Internet to build a python development environment, it is still necessary to record the

Python Method for operating hbase data, pythonhbase Configure thrift Python package thrift The python compiler is pycharm community edition. in project Settings, locate the project interpreter, locate the package under the corresponding project,