python class docstring example

Python complex attribute and method operation example, python Complex This example describes the Python complex attributes and operation methods. We will share this with you for your reference. The details are as follows: # Coding = utf8''' the plural number is composed of a

Example of _ slots _ usage in python and python _ slots _ This example describes how to use _ slots _ in python. Share it with you for your reference. The specific analysis is as follows: After _ slots _ is defined, the attribute names that can be assigned on the instance

classes in Python (top) In Python, you can define your own classes by using the Class keyword, and then create instance objects from a custom class object class. For example, the following creates a student

invoked externally. The way to privatize in Python is also simpler, which is to add a double underline to the name of the property (including method, data) that is being privatized. For example: #!/usr/bin/env python# Coding=utf-8 Class Protectme (object): #Python 3:

The usage and example of the Python coroutine are described in detail, and the python coroutine is described in detail. Syntactically, coroutine is similar to generator, and is a function that defines the body containing the yield keyword. However, in the coroutine, yield usually appears on the right side of the expression (for

Python uses the decorator to optimize the example of tail recursion. python Recursion Introduction to tail recursionTail recursion is the function that returns the last operation that is a recursive call, and the function is tail recursion.Recursion is linear. For example, each call to the factorial function creates a

codeThe Code is as follows :'''Created on Dec 18,201 4 @ Author: raul'''From inheritance. base import animal Class cat (animal ):'''Classdocs''' Def _ init _ (self ):'''Constructor'''# Animal. _ init __()Animal. _ init _ (self)Print 'cat init'Def say (self ):Animal. say (self)Print 'cat say' If _ name _ = '_ main __':C = cat ()C. say () After running, you can see the output as follows: Animal initCat initAnimal sayCat say This indicates that our inhe

The method object is similar to the function object. If x is an Account instance, x. deposit is an example of a method object. There is an additional parameter in the method definition, self. Self points to the class instance. Why do we need to pass the instance as a parameter to the method? Method call can be best described as follows: >>> x = Account()>>> x.inquiry()10 What happens when an instance me

Meta-Class 1. Class is also an objectIn most programming languages, a class is a set of code snippets that describe how to generate an object. This is still true in Python:>>> class ObjectCreator(object):… pass…>>> my_object = ObjectCreator()>>> print my_object0x8974f2c>Howe

; X.R, x.i(3.0,-4.5) Instance Object Now, what can we do with instance objects? The operation of an instance object has only a property reference. There are two valid property names, data properties, and methods. The Data property corresponds to the Smalltalk in C or the data member in C + +. As with local variables, data attributes do not need to be declared, and the first use is declared. For example, if X is the MyClass instance that wa

How to dynamically create a class instance in Python, python instance Introduction In Java, we can use reflection to create class instances based on class names. How can we implement similar functions in Python? In fact, there is

Example of how to build an FTP server using Python and how to build an ftp server using python Python version 3.6.2 Use the ftp package: pyftpdlib pip install pyftpdlib to download and install it. The FTP protocol will be more advantageous in downloading and uploading files when the files are too large, and more conven

Python multi-threaded http download implementation example. for details, refer to use the testing platform Ubuntu 13.04 X86_64 Python 2.7.4. It took nearly two hours. at the beginning, I did not expect to upload a file object to the thread. as a result, the downloaded file is different from the source file MD5, which wastes a lot of time. If you are interested,

Similar to the java properties FileXml fileCopy codeThe Code is as follows:Db_config.ini[Baseconf]Host = 127.0.0.1Port = 3306User = rootPassword = rootDb_name = evaluting_sys[Concurrent]Processor = 20 Corresponding python code Copy codeThe Code is as follows:#! /Usr/bin/python#-*-Coding: UTF-8 -*-# Author: lingyue. wkl# Desc: use to db ops#---------------------#2012-02-18 created #---------------------Impor

Python class inheritance usage instance analysis, python usage instance analysis This example describes how to use python class inheritance. Share it with you for your reference. The details are as follows: help('object') # testcl

the following example: >>> class A: def Test (self): print ("in A ...") >>> class B (a): def test (self) : Print (' in B ... ') >>> class C (A): def Test (self): print (' in C ... ') >>> class D (b,c): def test (self): print (' in D ... ') >>> d

1 #examples of linear and nonlinear classifiers in cs231n (Softmax)2 #Note that the calculation of the inverse propagation3 4 #-*-coding:utf-8-*-5 ImportNumPy as NP6 ImportMatplotlib.pyplot as Plt7N = 100#Number of points per class8D = 2#dimensionality9K = 3#Number of classesTenX = Np.zeros ((n*k,d))#data Matrix (each row = Single example) Oney = Np.zeros (n*k, dtype='uint8')#Class Labels A forJinchxrange

Python abstract base class usage instance analysis, python abstract instance analysis This example describes the usage of the python abstract base class. Share it with you for your reference. The details are as follows: To defin

(object) with the name Foo If Python does not find __metaclass__, it will continue to look for the __metaclass__ attribute in bar (? Class) and try to do the same thing as before. If Python cannot find __metaclass__ in any of the classes, it will look for __metaclass__ in the module hierarchy and try to do the same. What if you can't find __metaclass

Methods of the self class have only one special difference from common functions -- they must have an additional first parameter name, but you do not assign a value to this parameter when calling this method, python provides this value. This special variable refers to the object itself, which is named self by convention. Although you can give this parameter any name, it is strongly recommended that you use