chatbot examples python

The seven examples of Python regular expressions are used as a concept. Regular expressions are not unique to Python. However, regular expressions in Python are slightly different in actual use. This article is part of a series of articles about Python regular expressions.

treated as False? And which is True? * * In Python, none, 0 in any numeric type, empty string "", Empty tuple (), empty list [], empty dictionary {} are treated as false, and custom types, if the nonzero () or len () method is implemented and the method returns 0 or FALSE, its instance is also treated as false, and the other objects are true. ** Here's the simplest logical operation: True and True ==> true true or True ==>

This article mainly introduces the use of closures in python, analyzes the concept and related usage skills of closures in Python in the form of examples, and has some reference value, for more information about how to use closures in python, see the examples in this article

------" data = Json.dumps ({"userid": 1, "token": "868d26e05666c5aaeb76d361faa7448c", "ArticleID": [3,4,5]}) # r = Requests.delete (' http://localhost:8080/delete/', data = data) Print R.status_code Print R.text Print type (R.json ()) Print str (R.json ()) DescriptionIf these interfaces are requested in some interface request plug-ins (such as Httprequester), there is no space between key-value pairs when the parameter is passed, and the string must be enclosed in do

This article mainly introduces the usage of the closure in Python, and analyzes the concept of the closure in Python in detail and the related usage skills, which has some reference value, and the friends who need it can refer to the following The examples in this article describe the use of closures in Python. Share

This article mainly introduces the sample code for implementing various sorting algorithms in Python. In fact, Python is a very good advanced language for getting started with algorithms. If you need it, refer to the Python practice, we often encounter sorting problems, such as sorting the search results (there are no search engines such as Google without sorting

; it = d.iteritems() >>> vi = d.viewitems() >>> d['newkey'] = 'newvalue' >>> d {'newkey': 'newvalue', 'quantity': 6, 'size': 'large'} >>> vi dict_items([('newkey', 'newvalue'), ('quantity', 6), ('size', 'large')]) >>> it >>> for k, v in vi: ... print k, v ... newkey newvalue quantity 6 size large >>> for k, v in it: ... print k, v ... Traceback (most recent call last): File " ", line 1, in RuntimeError: dictionary changed size during iteration In the third r

This article mainly introduces the Python code indentation and test module Examples of detailed, with a certain reference value, now share to everyone, the need for friends can refer to Objective Python code indentation and test module is an essential part of learning Python, this article mainly introduces the

() method.In this article we describe some of the basics of using regular expressions in Python. We learned the original string type (and there are some headaches in using regular expressions that it can help you solve). We also learned how to use the match (), search (), and FindAll () methods for basic queries, and how to use grouping to work with sub-components of matching objects.As always, if you want to see more about this topic, the

command line, and Sys.argv[0] represents "test.py". Sys.startswith () is used to determine what an object begins with, such as entering ' abc ' in the Python command line. StartsWith (' AB ') returns true The following examples refer to: The code is as follows: #!/usr/local/bin/env python Import Sys def readfile (filename): ' Print a file to the standard

Examples of Python private functions Examples of Python private functions Like most languages, Python also has a private concept: • Private functions cannot be called outside their modules• Private class methods cannot be called outside their classes• Private attributes cann

Add by Zhj: Several articles from the author refer to a few articles in RABBITMQ's tutorials. Original: http://www.01happy.com/python-pika-rabbitmq-summary/This period of time to learn the next RABBITMQ, in the course of learning, found that the domestic use of Python Pika library RABBITMQ information is very few, the official website has this information, but all English. So the author combined with their

Examples of the chr unichr ord function in python, unichrord Examples of the chr unichr ord function in python The chr () function uses a range (0 to 256 ~ 255) an integer is used as a parameter and a corresponding character is returned. Unichr () is the same as it, but only returns Unicode characters. The parameter ra

Http://www.cnblogs.com/batteryhp/p/4868348.htmlChapter I preparatory workStarting today the book-"Data analysis using Python". Both R and Python have to be used, which is the reason for the code book. First, according to the book said to install, Google downloaded Epd_free-7.3-1-win-x86.msi, the translator proposed to follow the author's version of the installation, epdfree including Numpy,scipy,matplotlib,

):Pattern = Re.compile (' [a-z]+ ')Match = Pattern.findall (pwd) If match:Return TrueElseReturn False def checksymbol (PWD):Pattern = Re.compile (' ([^a-z0-9a-z]) + ')Match = Pattern.findall (pwd) If match:Return TrueElseReturn False def checkpassword (PWD): #判断密码长度是否合法Lenok=checklen (PWD) #判断是否包含大写字母Upperok=checkcontainupper (PWD) #判断是否包含小写字母Lowerok=checkcontainlower (PWD) #判断是否包含数字Numok=checkcontainnum (PWD) #判断是否包含符号Symbolok=checksymbol (PWD) Print (Lenok)Print (Upperok)Print (Lower