Python

#需求: Test History, a word-guessing game that allows you to view input history when you re-enter the game#1 #-*-coding:utf-8-*-2 fromRandomImportRandint3 fromCollectionsImportdeque4 ImportPickle5Guess_num = Randint (0,100)6 7History = deque ([],5)8

One of the first Python programs1 cmd input python under Enter the interaction (interpreter), exit (exit) or CTRL + ZPrint ("Hello World")2 cmd under input python helloworld.py3 Set the first line of each Python file in Pycharm #!/usr/bin/env

__author__ = ' Coco ' ' python built-in function ' ' # All () is true for true print (all ([0,-2,3]) # Falseprint (All ([1,-2,3]) # true# any () is true, then For true print (any ([1,-6,3]) # Trueprint (Any ([0, ', 1]) # true# bin () decimal to

To create a thread using the threading module:The threading module has the thread class implementation threading. The thread class provides the following methods:Run (): The entry point of the threadStart (): Call the Run method to start the

#all small code hereproduct_list= [['Iphone7', 5800], ['Coffee', 30], ['Pimple Soup', 10], ['Python Book', 99], ['Bike', 199], ['ViVo X9', 2499]]shopping_cart=[]salary= Int

Demand:The first game in the football match statistics {"A": 3, "B": 2, "C": 1}The second game in the soccer game. Statistics {"A": 3, "C": 1}The second game in the soccer game. Statistics {"A": 2, "B": 2}Count the people who scored every game---->

Catch Exception Try...except...finally...elsePython is a high-level language that handles errors through the try...except...finally...else mechanism.Let's take a look at this error code:1 Try:2 Print("Try ...")3s = 10/0#exception, after which

In Python, an adorner is used to extend some external functionality to a function at run time. However, in the process of use, because of the addition of adorners that cause the interpreter to think that the function itself has changed, in some

Tag: Return exceeds run assertion detection exception tee cannot eofException handling of Python basicsWhen it comes to exception handling, you have to ask, what is exception handling? Let's take a look at what is an exception? An exception is a

This article mainly introduces the python to automatically register the tornado route with the decorator, the article gives three versions of the solution, the need for friends can refer to the following to see together. First version In this

This article will use 200 lines of code to complete a mini asynchronous non-blocking web framework: Snow. Have a good reference value, follow the small series together to see it In Python's web framework, Tornado is known for asynchronous

Conversion of character encoding in python3, python3 character encoding A = 'I' #### python3 uses unicode encoding by default.### Unicode> gb2312Unicode_gb2312 = a. encode ('gb2312') ### because the default value is unicode, decode () is not

Scraper -- BeautifulSoup and LXML, beautifulsouplxml In addition to regular expressions, crawler parsing also includes the BeautifulSoup package and LXML module. We will introduce these two methods respectively.1. BeautifulSoup packageFeatures are

Special Python object-oriented Member, python object-oriented Call for special members of a class #! /Usr/bin/env python # _ * _ coding: UTF-8 _ * _ class SpecialMembers: # class constructor def _ init _ (self ): print ("My Blog is Url: http://yw666.

Summary of Several import modules in Python and several import modules in python The module encapsulates many practical functions, and sometimes needs to be imported for external calls.There are several common methods: 1. import >>> import sys>>>

Python implements Base64 encoding and decoding, and pythonbase64 This example describes how to implement Base64 encoding and decoding in Python. We will share this with you for your reference. The details are as follows: Base64 encoding is a "anti-

Python implements des encryption based on the pyDes library, pydesdes This article describes how python implements des encryption based on the pyDes library. We will share this with you for your reference. The details are as follows: Download and

Pycharm tutorial (5) Python shortcut settings, pycharmpython Python shortcut key settings, details: 1. Subject There is no doubt that Pycharm is an IDE with a powerful shortcut key system, which means that any operations in Pycharm, such as opening

Basic operation tutorial for drawing using numpy + matplotlib, numpymatplotlib Brief Introduction Matplotlib is a python-based 2D image library. It can be used in python scripts to easily draw line charts, histograms, power spectral charts, scatter

Examples of multiple plotting methods using matplotlib + numpy, matplotlibnumpy Preface Matplotlib is the most famous Drawing Library in Python. It provides a complete set of command APIs similar to matlab and is very suitable for interactive