python assert

(_maintype, _subtype, **_params)The base class for all MIME classes, which are subclasses of the Email.message.Message class. 3. Class Email.mime.multipart.MIMEMultipart () In the 3.0 version of the email module (Python 2.3-python 2.5), this class is located in email. Mimemultipart.mimemultipart.This class is a direct subclass of Mimebase, which is used to generate MIME objects that contain multiple part

Python-python interpreter execution, python-python Recently, due to the need of the company, I have been familiar with the magic language of python, which gives me the feeling that development is fast and the code is concise. Let's start by listing the differences between th

Python Learning 1, python Learning 1. Introduction to python Introduction to Python on various websites Python is powerful... and fast; Plays well with others; Runs everywhere; Is friendly easy to learn; Is Open. 2. python vers

This article mainly introduces python exception-related information and sorts out relevant exception information. if you need it, you can refer to it recently. a small project may encounter Python exceptions, which is a headache, therefore, sort out exceptions to avoid confusion next time. The following describes how to organize Python exceptions. 1.

character in a game. Initial level: Level=1, after a period of time to upgrade: level=106.2 Declaration and reference of variables#!/usr/bin/env pythonname= ' Egon ' #变量的声明Name #通过变量名, the value of the reference variablePrint (name) #引用并且打印变量名name对应的值, ie ' Egon '6.3 Identifier Command specification: Variable names can only be any combination of letters, numbers, or underscores The first character of a variable name cannot be a number The following keywords cannot be de

Introduction to code Debugging Using unit testing in Python programming, and python Unit Testing For new programmers, one of the most common confusions is the topic of testing. They vaguely think that "unit testing" is good, and they should also do unit testing. But they do not understand the true meaning of the word. If it sounds like you, don't be afraid! In this article, I will introduce what unit testin

(_ maintype, _ subtype, ** _ params)The base class of all MIME classes, which is a subclass of the email. message. Message class. 3. class email. mime. multipart. MIMEMultipart () In the email module (Python 3.0-Python 2.3) of version 2.5, this class is located in email. MIMEMultipart. MIMEMultipart.This class is a direct subclass of MIMEBase. it is used to generate MIME objects of mail bodies containing m

statement, whether or not there is an exception, will normally close the file, it is not very good Copy Code code as follows: >>> Import syslog >>> Try: ... f = open ("/root/test.py") ... except ioerror,e: ... Syslog.syslog (syslog. Log_err, "%s"%e) . else: ... Syslog.syslog (syslog. Log_info, "no exception caught\n") ... finally: >>> F.close () You see, we have the above example to use the try,except,else,finally these four clauses! :-), isn't it funny

Python3.5, and all subsequent code runs in this environment.Iii. Variable 1. Declare Variables #！/usr/env python# -*- coding:utf-8 -*-name = "xiaoming" The code above declares a variable named: name. The value of the variable name is: "xiaoming"2. Variable assignment name = "xiao ming" name2 = nameprint(name,name2) name = "xiao hua" print("What is the value of name2 now?"name,name2)III. Rule for defining variable names: 1. Variable names can only be

path to my code is E: \ python_script \ day1. Go to the directory and run the code Execute with python2 Execution error Because the default python2x encoding is ascii, Chinese characters are not supported. Add #-*-Coding: UTF-8 -*- Run the command again. If a problem occurs when python is executed after python is installedYou can uninstall and reinstall all python