q learning python

Python projects worth learning and python Projects This website organized 2014 worth a learning pytho project, http://pycoders.com/2014/ Project resources are all on github, which is essential for python programmers. As a plan for 2015. First list, then check the number Proj

the path. PS: Remember, the path is separated directly by a semicolon ";" After the final setting is successful, on the cmd command line, enter the command "Python" and you can have the relevant display. Run PythonThere are three ways to run Python:1. Interactive InterpreterYou can enter Python from a command-line window and start writing

that begin with an underscore are of special significance. A class attribute that begins with a single underscore (_foo) cannot be accessed directly, and is accessed through the interface provided by the class and cannot be imported with "from XXX import *";A double underscore (__foo) represents a private member of a class; a double underscore (__foo__) represents a special method-specific identifier for Python, such as __init__ (), which represents

is still published as a reading note, not involving too many code and tools, as an understanding of the article to introduce machine learning.The article is divided into two parts, machine learning Overview and Scikit-learn Brief Introduction, the two parts of close relationship, combined writing, so that the overall length, divided into 1, 22.First, it's about machine learning. Key points are as follows:1.

compiler 32.8.tabnanny--detect ambiguous indentation 32.9.pyclbr-- Python class browser supports 32.10.py_compile--compiling python source files 32.11.compileall--byte-compile Python library 32.12.dis-- Disassembler python bytecode 32.13.pickletools--kimchi developer Tools 33. Various services 33.1.formatter--Universa

1234567891011121314151617181920 # 提示输入用户名和密码# 验证用户名和密码# 如果错误，则输出用户名或密码错误# 如果成功，则输出 欢迎，XXX!#!/usr/bin/env python# -*- coding: encoding -*-importgetpassname=raw_input(‘请输入用户名：‘)pwd=getpass.getpass(‘请输入密码：‘)ifname== "alex"andpwd=="cmd":print("欢迎，alex！")else:print("用户名和密码错误") Scenario two, Guess age gameSet your age in the program, and then start the program to let the user guess, after the user input, according to his input prom

object.l=[1,2,3]m=[' x ', L, ' y '] #运行结果为: m=[' x ', [All-in-one], ' Y '],l is a reference l[1]=0m #M也将随着改变, changed to m=[' X ', [1,0,3], ' y ']2) immutable types cannot be modified in situThe immutable types in Python cannot be modified in-place, and if needed, users can create a new object with shards, merges, and so on, and assign the value to the original variable (a new reference).3) Notice the Loop objectIf an object contains a reference to i

servers), and provides a variety of tools that are widely used to write high-performance server software. GameMany games use C + + to write high-performance modules such as graphical display, while using Python or Lua to write game logic, servers. Compared to Python,lua, the functionality is simpler and smaller, while Python supports more features and data typ