Programmer Think

I wrote a Baidu picture downloader some time ago, and found that many people need to use it. To tell you the truth, the baidu picture downloader written before is relatively LOW. Today, I just had time to upgrade it.The way to obtain the complete source code is at the end of the article. If necessary, you can download it directly.Two bugs have ...

1. Three characteristics of object-oriented: encapsulation, inheritance and polymorphism 2. Encapsulation class Car: def __init__(self,brand): self.brand = brand def start(self): print("The car has started...") car = Car("bmw X5") car.start() print(car.brand) Output result: The car has started BMW X5 If the attribute ...

Python packaging tool Pyintealler packaging py file is windows exe file process and stepping on pit record + practical example catalogue Python packaging tool Pyintealler packaging py file is windows exe file process and stepping on pit record + practical example install Model building code Packing and pit stepping records install ...

1. Introduction In my spare time recently, I will read some Python documents and sometimes notice some interesting Python features. These features can't help exclaiming: "Wow, python can still write like this.". Don't gossip, let's start directly 2. Function properties Similar to setting the properties of classes and objects, we c ...

Three characteristics of object oriented Encapsulation: improve program security Wrap data (properties) and behavior (Methods) into class objects. Operate on attributes inside the method and call methods outside the class object. In this way, there is no need to care about the specific implementation details inside the method, thus isolating ...

In the example code of HttpRunner3, the code for sending HTTP requests is written as follows:from httprunner import HttpRunner, Config, Step, RunRequest, RunTestCase class TestCaseBasic(HttpRunner): config = Config("basic test with httpbin").base_url("https://httpbin.org/") teststeps = [ Step( RunRequest("headers ...

Introduction: New year's Eve is to get rid of trouble and meet new hope! Here, I wish you all a happy New Year's Eve, always laugh and everything goes well! Text: Create canvas setup and draw are P5 JS, in which createCanvas is used to create the size of the canvas and background is used to set the background color of the canvas func ...

Reproduced in: http://c.biancheng.net/numpy/ NumPy is the abbreviation of Numerical Python. It is a library composed of multidimensional array objects (ndarray) and a collection of function s that process these arrays. Using NumPy library, you can perform mathematical operations and related logical operations on arrays. NumPy is not only a ...

Related documents Pay attention to Xiaobian and receive private letter Xiaobian! Of course, don't forget a three in a row~~ Yes, we can pay attention to the official account of Xiaobian yo ~ ~ Python log development environment Python version: 3.7.4 Related modules: pygame module; tkinter module; Pilot module; And some python built-in mod ...

Python object oriented 1. Members are divided into three categories 1.1 variables 1.1.1 instance variables and class variables class Foo: # Class variable (static field) country="China"# The values in each object are the same. # method def __init__(self,name): self.name=name # Instance variable, field # metho ...