python tutorial pdf with exercises

Originalhttp://www.hetland.org/python/instant-hacking.php Instant hacking[Translation] Translator: Must have come This is a short introduction to the Python programming language tutorial, the original text here, turned the dictionary translated! This is a brief introduction to the art of programming, examples of which are written in

Use the Python urllib and urllib2 modules to create a crawler instance tutorial, urlliburllib2 UrllibI am confused about the basics of learning python. the eyes closed, and a blank suffocation continued. there is still a lack of exercises, so I use crawlers to train my hands. after learning the Sparta

development. Sophomore dog, do things by themselves inadvertently summed up the method, use with caution. MU-Class network. These people are not going to teach you how to program, of course you can't learn. An Introduction to Interactive programming in Python Open class is great, every little bit will let you make a small game, very simple, but used to get acquainted with and develop programming habits just good, very interesting, highly recomm

This article is mainly for you to introduce the Basic Python Tutorial Project Two, a good picture, with a certain reference value, interested in small partners can refer to This is the second item in the basic Python tutorial, about Python operations

This tutorial is a Chinese translation of "A byte of Python" based on python3.0. python3.0 has greatly improved the previous version, for translation, refer to the popular simple Python tutorial on the Internet. Hope it will be helpful for beginners of python! Lov

()Except MDB. Error, E:#如果出现了错误, you can roll back, that is, the above three statements are either executed or not executedConn.rollback ()Print "Error%d:%s"% (E.args[0],e.args[1])Results:1, because there is no writer table (SQL third statement), there is an error:Error 1146:table ' test.writer ' doesn ' t exist2, error, departure exception handling, the first two of the 3 statements will automatically become no execution, the result is unchanged3, if the code is placed in a MyISAM engine table

install the path of the first step, called "Environment variables", the environment variables are written in a number of directories can be unconditionally referenced (the current directory is also unconditional reference). The computer received your command Python, first in the working directory to find Python.exe, can not find the environment variable in the directory to find, and can not find the error.Then you can read this: (except for. and.) Us

This article mainly introduces how to use Python to implement a simple tutorial that can send email programs with attachments, and use the MIMEApplication module to send various types of files, the basic idea for a friend is to use MIMEMultipart to indicate that the email is composed of multiple parts and then attach each part. If it is an attachment, add_header is added to the declaration of the attachment

that contains all the key, the values () method, returns a list that contains all the values in the dictionary, items (), and returns a containing all (key, value) elements a list of groups. These methods are useful when you are not traversing the keys or values of a dictionary in any order. The keys () method is useful for returning a list that contains all the keys in the dictionary, which can be used with a for loop to gets the value in the dictionary. Note: 1. One key is not allowed to

Today write a basic tutorial in the second project, mainly using Python to make a PDF diagram, relatively simple.First we need to install the module PIP install Reportlab can be Used.The book is to use Urlopen from up and down a txt file, and then open processing to get the data, because I did not get data from this URL path, so directly write a bit of data in th

This article mainly introduces the use of Base64 module in Python to process character encoding tutorial, sample code based on the python2.x version, the need for friends can refer to the Base64 is a method that uses 64 characters to represent arbitrary binary data. Open exe with Notepad, JPG, pdf These files, we will see a lot of garbled, because the binary fi