Python

Recently, it was necessary to use the build that triggered the Jenkins task in the background code, and thought that Jenkins had some API class libraries that were already packaged to handle Jenkins-related operations. Here is a brief introduction

1: Dictionary: is an unordered data type that he is composed of by Key:value. Because of the disorder, there is no subscript to get value. By: Dict[key] to get the value of the element.When the dictionary key repeats, the dictionary automatically

Pre-kee, start learning python todayRefer to the stupid Method of Learning +python (third edition)Since there is a programming foundation, it is not difficult to get started, and Python certainly has its own syntax format compared to other languages

#-*-Coding:utf-8-*-#Author: Gxli#定义字典id_db={233333199211222342:{' Name ': ' Xiaoa ',' Age ': 23,' Addr ': ' Shanghai '},130222198305032876:{' Name ': ' Xiaob ',' Age ': 25,' Addr ': ' Guangzhou '},}#显示233333199211222342的值Print (id_db[2333331992112223

I. Preparation and code examples1, PIL, Pytesser, tesseract(1) Install pil::http://www.pythonware.com/products/pil/(csdn download)After the download is an EXE, directly double-click the installation, it will automatically install into the C:\Python27

Environment for Python31. String and numeric types can be output directly, values need to be added single or double quotation marks>>> Print (1)1>>> print ("Hello World")Hello World2.if Judgment Statementif (1==1) #判断条件:(print (1)) #执行语句ElsePrint (2)

sequences and tuples1. Difference: The sequence can be modified, not the tuple2. List the wording:user = [' Fiona ', 18]User2 = [' Lala ', 19]Database = [user, User2]Print (database)Output: [' Fiona ', 18],[' Lala ', 19]3. Data structure: container (

About PythonThe founder of Python for Guido van Rossum (Guido van Rossum), The birth time 1989 ChristmasI. Command rules for variables1. Variables can only be composed of uppercase and lowercase letters, numbers and underscores, and cannot start

The 3.0 version of Python3   python, often referred to as python 3000, or simply py3k. This is a large upgrade relative to earlier versions of Python. In order not to carry too much burden, python 3.0 in the design of the time did not consider

Import socketdef handle_request (client):BUF = CLIENT.RECV (1024)Client.send ("http/1.1 ok\r\n\r\n")Client.send (' hello world ')def main ():Sock=socket.socket (Socket.af_inet,socket. SOCK_STREAM)Sock.bind (' 192.168.68.128 ', 8006)Sock.listen

From the video content of this section, learn the following knowledge points, which have not been learned before:One, the Python version upgrade to 3.0 inevitability In November, it is announced that Python 2.7 would is supported until 2020,

Integer breakGiven a positive integer n, break it into the sum of at least, positive integers and maximize the product of T Hose integers. Return The maximum product you can get.For example, given n = 2, return 1 (2 = 1 + 1); Given n = ten, return 36

Partial function首先简单说functools.partialis to fix some parameters of a function (that is, to set a default value), to return a new function, and to call the new function is simpler.My understanding is that, like C + +, a function with a parameter two

Demo:demo code used to show some of Python's applicationsDoc:python's usermanual. In latex formatGrammar: Syntax file. This syntax file will be used to parse the Python source code while Python is running.Include:python header file for

__author__='Alex'Importre;str_list= []defFetch (CI,LI,STR): forKinchRange (len (CI)-1): ifCi[k] > Ci[k+1]: Print(("Li[k] =%s,li[k+1] =%s")% (li[k],li[k+1])) s= Str[li[k]:li[k+1]+1] Str_list.append

There is a need to automatically send mail in the business, there is no function to add attachments.At the same time, also solved the message in Chinese garbled situation.Directly on the code:Import SmtplibFrom Email.mime.text import MimetextdefMail_

#!/usr/bin/pythonWith open ('/proc/meminfo ') as FD:For line in FD:If Line.startswith (' Memtotal '):Total = Line.split () [1]ContinueIf Line.startswith (' Memfree '):Free = Line.split () [1]Breakfreemem = Int (free)/1024.0Totalmem = Int (total)/1024

[[email protected] day01]# python 3.pyPlease input a number:1Please input a number:23-1201 + 2 = 31-2 = 11 * 2 = 21/2 = 0[email protected] day01]# cat 3.py#!/usr/bin/pythonNUM1 = input ("Please input a number:")num2 = input ("Please input a number:")

1. System version[[Email protected] ~] # cat/etc/issueCentOS release 6.4 (Final) Kernel \ r on an \m2. System default Python version[[Email protected] ~] # Python-vpython 2.6.6 3. Error message[[Email protected] ~]#YumThere is a problem importing

Difference between input () and raw_input () in Python beginners, pythonraw_input After logging on to my blog, I found that I have been registered for a year. Since I have never been planning to engage in the software development industry, my blog