Python learning content. 03

1.python Basic data Types(1) int ==> integer. Used primarily for mathematical operations(2) str ==> string, can save a small amount of data and do the corresponding operation(3) Bool==> judgment True, false(4) List==> stores large amounts of data.

Based on the Python analysis of the protagonist in Jin Yong's novels, he is the real protagonist!

Fan monologueSpeaking of martial arts novels, we have to mention the three great masters of Chinese martial arts-Jin Yong, Liang Yusheng, Cologne, from the 780 's, a large number of martial arts classics appeared in the screen. Almost all of the

Python Function name Application

Application of Function nameapplication categories for function names:A function is a special variable (which can be used as a variable)* Memory address of function name corresponding function* Function names can be used as elements of container

[Timlinux] Python Django myblog Boot

1. MyBlog IntroductionSet yourself a learning project for: Using the learned Python web development technology, the framework Django Use the learned CSS technology to achieve front-end functionality Draw a sketch of the front page

Python for Titanic survival predictions-data exploration and analysis!

1 Data preview1.1 Head ()Preview the data set in front of the data to see what the value of each field looks like.1.2 info ()You can see how many non-null values each field has and what type of field it is.1.3 Describe ()You can roughly describe the

"Python OpenGL" "2" first triangle (PYOPENGL)

Generate entities based on vertex cacheOriginal (English link) http://ogldev.atspace.co.uk/www/tutorial03/tutorial03.html1 __author__="WSX"2 3 ImportNumPy as NP4 fromOpengl.glutImport*5 fromOpengl.glImport*6 ImportcTYPES7 defDraw ():8 glclear

What the hell is logger and handler in Python?

Recent tasks often involve log records, and have been deliberately logging to learn how to record them again. Like Java, Python's logging is a tedious thing, writing a lot of things before writing a record. The procedure for typical logging is this:

The logging module in Python

Recently modified the logging related functions in the project and used the logging module in the Python standard library to make some records here. Mainly from official documents and StackOverflow to find some of the content. Official

Python development "modules": Celery distributed asynchronous message task queue

Objective:Celery is a python-developed distributed asynchronous message Task Queue that allows you to easily implement asynchronous processing of tasks, and if you need to use asynchronous tasks in your business scenario, consider using celery.

Python Data Analysis Case study

Course Outline:Lesson One: Power theft leakage user Identification system caseThe traditional leakage current analysis is carried out by artificial detection, the dependence on people is too large, in order to improve the efficiency of the

Piglet Page Social man dedicated server, interesting Python applet, with Python code

The recent social People Little piggy page is very popular, everyone is talking about social people, then we as it people, how to let our server also rub the social people's hot spot? Let me tell you about it.First one:Piglet Page Social man

Numpy,scipy,sklearn for installing Python under Windows

Prerequisite environment (according to the installation of the subject):python3.7Windows10First of all, to download the three kinds of packages for https://www.lfd.uci.edu/~gohlke/pythonlibs/(if you want to download other packages, you can find and

Day5-python Study Notes

1. Email:Email history:发件人 -> MUA -> MTA -> MTA -> 若干个MTA -> MDA - MUA - 收件人Write MUA to send the message to the MTA:The protocol used by MUA and MTA is Smtp:simple Mail Transfer Protocol.When you send a message, configure the SMTP server (on which

Learning notes for Python/002-3 (2018-5-20)

Cluster Type Cluster Type List Meta-group Dictionary Collection List Tuple Dict Set 1. ListThe type of list, which is ordered, has an index, and the content

"Python Coolbook" CType read Linux dynamic library so file

One, the dynamic library file generation source file hello.c#include "hello.h" #include void hello (const char *name) { printf ("Hello%s!\n", name);} int factorial (int n) { if (n 0) { g = x; x = y% x; y = g; }

Python Learning-Print the most commonly used 10 Linux commands and find duplicate files in directories

First, print the most commonly used 10 Linux commands#!/usr/bin/python#coding=utf-8import osfrom Collections Import Counterc = Counter () with open (Os.path.expanduser (' ~/. Bash_history ') as F:for line in f:cmd = Line.strip (). Split () if

Python Gets the file directory and filename in the current directory

There are two functions under the OS module:Os.walk ()Os.listdir ()1 #-*-coding:utf-8-*-2 3 ImportOS4 5 deffile_name (file_dir):6 forRoot, dirs, filesinchOs.walk (file_dir):7 Print(Root)#Current directory

Python Learning 41 days (threads)

Today's main content:Threading Concepts and simple applicationsIntroduction of threading concept into background processBefore we knew the concept of the process in the operating system, the program could not be run alone, and the program would be

Python first Super Java May programming language index list!

Big fish, py-Cauchy 05-16 11:15Want to learn Python can add 15472.51666, or attention: Python from the program Ape to Cheng ProgrammerThis May, the foreign two popular programming language Reference index list all appeared the very interesting

Python+selenium Login 163 Email

Environment: Windows7 python2.7 + selenium2 + firefox45First, directly enter the account password login# coding=utf-8from Selenium import webdriverimport timeurl= ' https://mail.163.com/' loginname= ' +++++ ' #163邮箱账号password = ' * * * * '

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