Python

ObjectivePython version: 3.6.2I. INPUT and OUTPUT1. Output:Use print () to output the specified content.The content in parentheses can be a string:Print ("hello,world")can also be a comma "," separated by a number of strings, when the comma is

Firefox (high version to install the replacement Firefox driver, version 47 below does not install)Googlechrome (need to install browser driver plug-in, drive to selenium official website download, currently the browser driver only 32-bit, so Google

# # Enter Name# #name = input (' What's Your name ')Name = ' Stan '# test for If,elifIf name = = ' Stan ':Print (' 1. Yes, your is Stan ')Print (' Here is if ')elif name = = ' Vanees ':Print (' 2. Not Stan, Vanees ')Print (' Here is Elif ')ElsePrint

Python has two major versions, 2 and 3, respectively.: Python-3.6.2 Python-2.7.13Now installation path: D:\Program Files\pythonInstall pip-9.0.1 after installation is completeThe pip file is the tar.gz type, unzip it, and enter the directory to

Import turtleturtle.shape (' Turtle ') turtle.speed (5) turtle.color (' green ') var=1while var = = 1: For I in range (5): Turtle.forward (turtle.right) (144) Infinite loop of the pentagramFrom Turtle Import*for I in range (5

1 #-*-coding:utf-8-*-2 __author__="Carry"3 ImportRequests4 ImportRe5 #Disable security Request warning6 fromRequests.packages.urllib3.exceptionsImportinsecurerequestwarning7 requests.packages.urllib3.disable_warnings (insecurerequestwarning)8 9s

Turn from (Http://blog.csdn.net/Wangdada111/article/details/73382537?locationNum=2&fps=1)Installation:wget https://www.python.org/ftp/python/3.6.0/python-3.6.0 .tar.xzxz-d python- 3.6.0.tar.XZTAR-XVF Python-3.6.0.tarcd

Python level Three menu Demand Print provincial, city, and county level three menus Can return to the upper level Can exit the program at any time Code implementation 1menu = {2 'Beijing':{3

#-*-coding:utf-8-*-names= ["AA","BB","cc","DD",]" "Enquiry" "#slicesPrint(Names[1:3])#take the last elementPrint(names[-1])#take all elements after the second elementPrint(names[2:])" "Add" "#append a single elementNames.append

#author:zhouyuarea = {     ' Guangdong ':{         ' Jieyang ':{             ' puning ':{                  ' Lake ',                  ' Plum Pond ',                  ' Quicksand '                      },              ' Hongyang ': {' 1 ', ' 2 '},    

collection, which is almost the same as the list, except that it has no duplicate values, and in the list it can have a phaseThe same value, and the collection is not allowed, if you execute the following code, you will find that B removes the same,

When the server has not yet deployed the application, and if you want to verify that the network is turned on, we can first impersonate the port on the server to enable the application, and then telnet the port from somewhere else to verify the

The automation use case is executed by the program, so sometimes the error message printed is not clear, if the script execution error can be saved to the current window, then through the picture can be very intuitive to see the cause of the error.

writing the first Python program How to write a Python program 1 Open HyperTerminal2. Enter python3 , enter the 3rd version of the Python programming language used by Python3, and if you enter only Python, the 2nd version of Python is used.3.

#-*-coding:utf-8-*-Importrequests, RE, Osurl='http://tieba.baidu.com/p/5307547413'Header= { 'Accept':'*/*', 'accept-encoding':'GZIP,DEFLATE,SDCH', 'Accept-language':'zh-cn,zh;q=0.8', 'Connection':'keep-alive'}html=

Recently to a series of data to do comparison, need to use numpy and pandas to calculate, the following this article mainly to you about the Python learning tutorial numpy and pandas use of related materials, the text through the sample code

Python file operations-merge text file content and python text files Currently, a large number of functions are used: the content of multiple small files is merged into a unified file, and the original file is renamed to mark that it has been

Common encoding and decoding scripts We usually encounter various encodings. Here, I have summarized some common encodings, which are not very complete. I tried to make a summary of encoding and decoding, and wrote a script. As python is not very

Python object-oriented,1. Object 1.1 Polymorphism This means that the same operation can be performed on objects of different classes.1.2 Encapsulation Working details of hidden objects in the external world1.3 inheritance Create specialized class

Python -- re module and regular expression, pythonreI. re Module   Common Methods in re Module   Additional: Almost all methods in the re module carry the flags parameter. flags indicates the matching mode, which may include: