h2o python tutorial

the exit string, the connection is closed directly.To test this server program, we also need to write a client program:Note that the client program runs out, and the server program will run forever, you must press CTRL + C to exit the program.SummarySocket programming with the TCP protocol is very simple in Python, for the client, to actively connect to the server's IP and the specified port, for the server, to first listen to the specified port, and

Python modifier getting started tutorial (nine steps), python nine steps Decorator is an advanced Python syntax. The decorator Can process a function, method, or class. In Python, we have multiple methods to process functions and classes. For example, in the

Basic python tutorials-Introduction to user-defined functions, basic python tutorial Functions The most important purpose of a function is to make it easier for us to reuse the same program. Some operations are affiliated to a function. When you want to implement the same operation in the future, you only need to call the function name, without repeating all the

Python basic tutorial notes-Project 2-good painting-Day1, python-day1 Today, let's start with Project 2: drawing a good image. The graphical generation package ReportLab is used in the project. Therefore, install the package easy_install reportlab first. As you can see from the book, this package is mainly used for plotting. Such as writing and drawing. Run the C

Python (data structure and algorithm [1]) and python (advanced tutorial)Splits a sequence into individual variables. >>> P = () # Break Down tuples or sequences by assigning values >>> x, y = p >>>> x4 >>> y5 >>> data = ['acme ', 50, 91.9, (, 1)] >>>> name, shares, prices, date = data >>> name 'acme '>>> date (2000, 1, 1) >>> name, shares, prices, (year, month, d

The list is very common in python and is very useful, so let's take a look at it today. First we need to remember two points: (1) The list is mutable (2) the list is suitable for all types of sequences, not just stringsNext we introduce the list of additions and deletions to change:(1) Increase in list: Add a single element Append method: This method is used to append a new object to the end of the list: >>> list=[1,2,3,4,

Other Statement 1 in the notes of the basic python Tutorial: python loop statement Print-related Print can print multiple expressions, as long as they are separated by commas (,), a space is inserted between each parameter in the result. Use + to avoid spaces, as shown in figure >>> Print 'Age: ', 42Age: 42>>> Print 'hello' + ',' + 'World'Hello, world Add a co

#创建phone={'Alice':'12234','beth ' :'352235'}#dict使用items=[('name','gumby'), ('age' ,}d=dict (items) d=dict (name='gumby', age=42)#基本字典操作lend (d) d[k]d[k]= in dx={}x[42]='foobae' x{:'foobar'}people={'Alice':{'Phone':'123','Addr':'Foo drive34'},'Beth':{'Phone':'23234','Addr':'3123'}}labels={'Phone':'Phone number','Addr':'Address'}name=input ('Name:') Request=input ("phone Number (p) or address (a)?:")ifrequest=='P': key='Phone'ifrequest=='a': key='Addr'ifNameinchPeople:Print("%s '%s ' is%s."% (Nam

At the beginning of this tutorial, I have introduced the concept of a function: Forever powerful function. the reason why I mentioned the function at that time is that I think it is much more important than the average function. Here, we need to review the function. Second, we need to have a deeper understanding of the function on the basis of our learning. Basic function structure Basic structure of functions in

indented is the way python uses grouping statements. At the interactive prompt, you have to enter a tab or several spaces for the contraction. In practice, you need a text editor to prepare more complex input. All the better text editors have the automatic indent function. When a compound statement is input interactively, it must be followed by an empty line (because the parser cannot guess when you enter the last line ). Remember, each line in a bas

Look at this article, I assume you've all learned Python (Pesonton Opliton), and the following knowledge is the Python extension (framework).In this introductory tutorial, we assume that you have installed scrapy. If you are not yet installed, please refer to the Installation Guide.We will use the Open Directory Project (DMOZ) as an example of crawling.This intro

This article mainly describes the detailed Python pygame installation process notes. Small series feel very good, now share to everyone, also for everyone to make a reference. Let's take a look at it with a little knitting. See a tutorial today about Python Installing the Pygame module. Feel good, share it. Install Python