chatbot examples python

Argparse is a python built-in module for quick creation of command lines. There is a third-party module Click can also implement this function, both have advantages and disadvantages, look at the individual needs.Official websiteHttps://docs.python.org/3.5/library/argparse.htmlImport argparse__verison__ = ' 1.1.1 ' parser = argparse.Argumentparser (description= ' hahahaaaa ') parser.add_argument ('-V ', '--version ', action= ' version ', version= '% (

parameter sequence represents an ordered type. Here's a note: sequence is not a specific type in Python, but a series of types. list, tuple, string all belong to sequence.ImportRandomPrint(Random.choice ("Learn python"))Print(Random.choice (["Jgood"," is","a","Handsome"," Boy"]))Print(Random.choice ("Tuple","List","Dict")))#XI#Jgood#Dict5:random.randrangeRandom.randrange ([start], stop[, step]), from withi

= Fouttry:child.expect (' (? i) password ') child.sendline (passwd) child.expect (' # ') child.sendline (' tar-zcf /data/logs/nginx.tar.gz ' +target_file) child.expect (' # ') printchild.beforechild.sendline (' exit ') ) Fout.close () excepteof:print "expecteof" excepttimeout:print "ExpectTIMEOUT" Child=pexpect.spawn ('/usr/bin/scp ', [user+ ' @ ' +ip+ ':/data/logs/nginx.tar.gz ', ' Home ']) fout=file (' Mylog.txt ' A ') child.logfile=fouttry:child.expect (' (? i) password ') child.sendline (pas

The examples in this article describe Python multiprogramming (multiprocessing) usage. Share to everyone for your reference. The specific analysis is as follows: Because of the limitations of Python design (I'm talking about our usual cpython). Up to 1 CPU cores can be used. Python provides a very useful multiprocess

Python strip () function and split () function details and examples, pythonstrip Details and examples of python strip () and split () Functions The strip and split functions are unclear for a long time. In fact, strip means deletion, while split means segmentation. Therefore, the two functions are completely different.

Python dict dictionary and some examples of value assignment reference (detailed description), pythondict Recently, I am working on a very large database that needs to be searched by numerical value. So I thought of the dictionary in python, and I have never used dict. List and tuple are the most commonly used) I have read the following method to create a diction

Golang and python thread details and simple examples, golangpython thread Golang and python thread details and simple examples In GO, 15 threads are enabled, and each thread increases global variable traversal by 100000 times. Therefore, the prediction result is 15*100000 = 1500000. var sum intvar cccc intvar m *sync.M

This article mainly introduces the self principle in python, analyzes in detail the self principle and related usage skills, and has some reference value, for more information about the self principle in python, see the examples in this article. Share it with you for your reference. The specific analysis is as follows: Class methods have only one special differe

This article mainly introduces the deadlocks, reentrant locks, and mutex locks in Python. although Python GIL problems in thread programming are commonplace, you can refer I. deadlock To put it simply, a deadlock occurs when a resource is called multiple times, and a deadlock occurs when the resource is not released by multiple callers. here we use examples to i

Python uses the Scipy package's SIFT method for image recognition examples, ScipyThe scipy package contains a toolbox dedicated to common problems in scientific computing. Different submodules correspond to different applications. Such as interpolation, integration, optimization, image processing, and special functions.Scipy can be compared with other standard scientific computing libraries, such as GSL (gn

The examples in this article describe Python coprocessor usage. Share to everyone for your reference. Specifically as follows: The function is written as a task to handle a series of inputs sent to him, called a coprocessor. ? 1 2 3 4 5 6 7 8 9 10 11 12 13 14-15 16 def print_matchs (matchtext): print "Looking for", matchtext while true:line = (yield) #用 The yield statement and creates a c

thought of it, Py is a good evil word#abandon python to py.#the numbers contained in Python are: integers, floating-point numbers, complex numbers, decimal numbers with fixed precision, rational numbers with numerator and denominator#supported operations are: + for addition, * for multiplication, * * for exponentiationPrint(123+222)#two numbers added directlyPrint(1.5 * 4)Print("You know:"+ str (2**10))#No

The examples in this article describe the techniques used in the use of properties and methods in Python programming. Share to everyone for your reference. The specific analysis is as follows: One, property In Python, attributes are divided into public and private properties, and public properties can be invoked outside the class, and private properties cannot

Python list sorting methods and Examples Sorts lists. Python provides two methods. Method 1: use the List built-in function list. sort for sorting. List. sort (func = None, key = None, reverse = False) Python instance: >>> list = [2,5,8,9,3] >>> list [2,5,8,9,3] >>> list.sort() >>> list [2, 3, 5, 8, 9] Method 2. sort b

Method 5 are basically quite a few keywords comparison sort: instance 7:>>>l = [('D', 2), ('a', 4), ('b', 3), ('C', 2)]>>> L.sort (key=LambdaX:x[1])>>>L>>>[('D', 2), ('C', 2), ('b', 3), ('a', 4] We see that this sort of L is sorted by the second keyword only, if we want to use the second keyword in order to sort the first keyword? There are two methods for instance 8:>>> L = [('D', 2), ('a', 4), ('b', 3), ('C', 2)]>>> L.sort (key=LambdaX: (x[1],x[0]))>>>L>>>[('C', 2), ('D', 2), ('b', 3), ('a',

Examples of subprocess module usage in Python: pythonsubprocess This example describes how to use the subprocess module in Python. Share it with you for your reference. The details are as follows: Run the following command: >>> subprocess.call(["ls", "-l"])0>>> subprocess.call("exit 1", shell=True)1 Test and call the cmd command in the system to display the comma

In this chapter, the concept of data structure is introduced. Data structures are collections of elements that are organized together in some way. In Python, the most basic data structure is the sequence. Each element in the sequence is assigned an ordinal number, that is, the position of the element, also known as the index. Note: The first index is 0.1. Sequence OverviewPython has 6 types of built-in sequences: lists, tuples, strings, Unicode string

This article mainly introduces the common dictionary dict operation methods in python. The example summarizes the dictionary operation skills of Python, which is of great practical value, for more information about how to use the dictionary dict in python, see the examples in this article. Share it with you for your re

Quick introduction to cookies and simple code examples in Python development, pythoncookie Cookie: a key-Value Pair stored in the user's browser to solve the stateless connection of http. The server can write the cookie to the user's browser. Each request is sent with a cookie. Storage location: Each request cookie is placed in the request header. Application scenarios: · Remember the password for login use

This article mainly introduced the Python design pattern programming in the visitor and the observer pattern, the design pattern development facilitates the coordination of the team collaboration programming code, the need friend can refer to the next Visitor modeI think that the visitor mode is to add additional visitors to the code function to complete the extension of the existing program structure under the premise, why this use? When you have mo