funny python code

Sort Algorithm Analysis [5]: Merge and sort (with Python C ++ code), and algorithm analysis with python Merge and sort: combines two sorted sequences into one.Algorithm principle First look at the dynamic diagram: The algorithm is described as follows: Algorithm Implementation Python version: #-*-Encoding: UTF-8-*-d

Python's memory Management Architecture (OBJECTS/OBMALLOC.C): Copy Code code as follows: _____ ______ ______ ________ [INT] [Dict] [List] ... [String] Python Core | +3 | _______________________________ | | [Python ' s object Allocator] | | +2 | ####### Object Memory ####### | ____________________________

Code like a pythonista:idiomatic PythonIf you have a C + + foundation, it is relatively easy to learn another language. Because C + + is process oriented and object oriented. It is very low level, can access the machine like C, it is also very advanced, there are templates, STL and so on. If I read the deep C + + object model carefully, I think other languages will not be more complicated than this. The more you know about C + +, the more

The Python thread creates and terminates the instance code. The python thread terminates the instance. Python supports multiple threads through the thread and threading modules. The thread module of python is a lower-layer module than the threading module. The threading modu

Python learning --------- login system code implementation, python --------- Question requirements: I. login Portal 1. Enter the user name and password2. The welcome information is displayed after the authentication is successful.3. Lock after three wrong attempts Readme: In the hosts file, the account: Password is stored in one row.) If the output is correct, we

Python learning notes 05: Snake game code, python learning notes Snake games: Install pygame first. You can use pip to install pygame: Pip install pygame Run the following code: #! /Usr/bin/env pythonimport pygame, sys, time, randomfrom pygame. locals import * # define the color variable redColour = pygame. color (255

How to optimize the performance of Python is the main problem discussed in this paper. This article will cover common code optimization methods, the use of performance optimization tools and how to diagnose the performance bottlenecks of the code, and so on, hoping to give Python developers a certain reference. Commo

Python simple process lock code instance, python instance Let's talk about threads first In multithreading, thread synchronization is often used to ensure the correctness of shared resources.Convert some sensitive operations into atomic operations to ensure that only one thread is executing the atomic operation in multiple threads at the same time.I usually use m

Python programming Quick Start Chapter 6 practical project reference code, python Quick Start The Code is as follows: A function is used to display the list in a well-organized table. Each column is right aligned. tableData = [['apples', 'oranges', 'cherries', 'banana'], ['Alice', 'Bob', 'Carol', 'David

Python implements the idea and code of shopping programs, and python shopping program ideas Requirements: After the program is started, ask the user to enter the salary, and then print the commodity list with the serial numberThe user enters the product serial number to purchase the corresponding product, or enters 'q' to exit the purchase interface.After selecti

Python queue details and instance code, python queue Queue features:First-in-first-out (FIFO)-elements of the first-out queue. It comes from the queue in our life (queuing first and finishing first ). The Queue module most often forms a production-consumer model together with the threading module, providing a first-in-first-out data structure suitable for multi-

Baptism of the soul, practice python (6)-live code + list, python live Active usage: Use input built-in functions Note: In python2 and python3, the input function is not the same. In python2, the input type is the same as the input type, and in python3, the input type is the string, this is the same as the raw_input function in python2, and there is no raw_input

about the historical evolution of the code, UTF-8 is how to develop, why Windows still keep GBK encoding ... And so on, online a search a lot of, most of them are forwarded, share after the same content, still can not solve my inner doubts ... Coding is a matter of egg pain, if not clear, how to mix in China? I have set a basic world view of coding by looking through multiple documents and in-depth experiments. 基础内容请自行谷歌..废话不多说，直接上干货！！

This project is my first complete Python Web project, and for beginners, this project is definitely a great practiced hand project.The name is still difficult, but it is really annoying to enter such long names (phone address book QR code generation site) to define the site, so give this project a name, what is it called? It's called "Goose Day Directory" (Earth address list).-------------------------------

VIMRC: HTTPS://GITHUB.COM/AMIX/VIMRCInstallation method:git clone git://github.com/amix/vimrc.git ~/.vim_runtime sh ~/.vim_runtime/install_basic_vimrc.shInstalling PEP8Pip Install Pep8plugins, put them in the ~/.vim/ftplugin/python/directory (if the directory does not need to be created by itself)Open vim, enter: filetype, see if plugin is on. If not, edit ~/.vimrc, add filetype plugin on this lineUsing Vim to open a. py file, press F5 to see if the

+ = Reg *W2 $DW + = Reg *W141 142 #perform a parameter update143W + =-step_size *DW144b + =-step_size *DB145W2 + =-step_size *dW2146B2 + =-step_size *DB2147 #evaluate training set accuracy148Hidden_layer = Np.maximum (0, Np.dot (X, W) +b)149Scores = Np.dot (Hidden_layer, W2) +B2 MaxPredicted_class = Np.argmax (scores, Axis=1)151 Print 'Training accuracy:%.2f'% (Np.mean (Predicted_class = =y)) the #plot the resulting classifier153H = 0.02154X_min, X_max = x[:, 0].min ()-1, x[:, 0].max () + 1

German English! Our main business scope is to do programming big homework, curriculum design and so on.Our Direction field: Window Programming numerical algorithm AI Artificial Intelligence financial statistical Metrology analysis Big Data network programming Web programming Communication Programming game Programming Multimedia Linux plug-in programming API image processing embedded/Microcontroller database programming console process and thread Network security assembly language Hardware progr

This article mainly introduces how to create a Python module and import a module. it analyzes the definition, import, and usage skills of the module attributes, and illustrates the concept and usage of the package, for more information about how to create a Python module and how to import a module, see this article. The example analyzes the module definition, how to import and how to use Module attributes,

Sometimes a Python program runs and it takes a long time to run. You may want to improve the efficiency of the program. Then what should I do?First you need to find out where the program bottlenecks are-for example, which function takes longer to run? Which function consumes more memory, does it need to optimize the use of memory? Which CPU time takes longer? etc... These need to be considered, Python has

, "Guang" code for%B9%E3, for the moment%b9 called the section encoding,%E3 for character encoding (second encoding). Ideas: Collect Chinese characters from GBK encoding page http://ff.163.com/newflyff/gbk-list/ From a practical point of view, only select "GBK/2: GB2312 Kanji" This section, a total of 3,755 Chinese characters. Look at the law: The bar code from B0-D7, and for the Chinese character encoding