Python

_age = 27Count = 0While Count Age = Input ("What's The Age?")if age = = _age:Print "Ni cai de {yourage} is sussccess". Format (Yourage=age)BreakElif Age Print "Ni cai de {yourage} nianlin Xiao Yu age". Format (Yourage=age)ElsePrint "Ni cai de

In the process of running the program, if an error occurs, you can agree to return an error code beforehand, so that you can know if there is a mistake, and the cause of the error.Try...except...finally ...Try: Print('Try ...') R= 10/int ('2')

The string type consists of multiple characters that can be used as a whole, or any part of a string.function Len () returns the length of the string' www.baidu.com '>>> len (address)13View CodeTo traverse a string with a for statementStarting with

Recently learning Python, the job is to write a reader in Python:Requirements are as follows:1, with automatic reading mode2, you can page up and downActual combat:The code is as follows:650) this.width=650; "title=" Reader "src="

#取值Import typesallguests = {' Alice ': {' apples ': 5, ' pretzels ': {' Beijing ': 456}}, ' Bob ': {' Ham sandwiches ': 3, ' AP Ple ': 2}, ' Carol ': {' cups ': 3, ' apple Pies ': 1}}def dictget (Dict1,obj,default=none): For

1, def __add__ (self,other): C1+C2 Two instances of the addition operation is the execution of __add__ () Method 2, __str__ (self):p rint An instance, the implementation of __STR__ () this built-in method Eg:class Vector (object):     def __init__

#-*-Coding:utf-8-*-Import Requests # Importing modulehtml = requests.get (URL). Text #get请求HTML = requests.post (Url,data = postdata). Text # Post form requestSetting up the Socket proxyProxies = {' http ': ' sock5://127.0.0.1:8080 ', ' http ': '

SYS.ARGV command line argument list, the first element is the path of the program itselfSys.exit (n) exit program, Exit normally (0)Sys.version get version information for Python interpreterSys.maxint the largest int valueSys.path returns the search

First, a simple exampledef Add (A, b): return A + badd_nums.py import Fooa = [1, ' python " = a string " def Func (): a = 1 b = 257 print (a + b) print (a) if __name__ = = __main__ " ' func () Foo.add ( 1, 2)

Idle editor shortcut keysAuto-complete code alt+/(find the code already written in the editor to complete)Completion hint Ctrl+shift+space (default and IME conflict, modify)(Method: Options->configure idle...->keys-> force-open-completionsPrompt

One, character encoding and transcodingFirst, Python2. The default encoding in PY2 is ASCII The code declaration at the beginning of the file is to tell the program that explains it to read the code into memory, because in memory, this

Function-Type programming1. Simplify the code,2, easy to call, easy to modify3. Call parameters, shape parameters, and positional parameters. Key parameters, position parameters can only be sent after the key parameters4. Default parameters5.

I used to write Python code using notepad++, and then I remembered that there was a vs code that could write some scripting language (js,node.js) or even a high-level programming language (C#,php,java,python, etc.) before I looked up the data. And

Stability and significance of sorting algorithm Bubble sort Complexity and stability Select sort Insert Sort Hill sort Quick Sort Comparison of efficiency of common sorting algorithms Stability and significance of

Python's regular is supported by the RE module 3 Matching functions Match: Matches only from the beginning of the string to the regular expression, the match returns Matchobject successfully, otherwise none is returned; Re.match (Pattern, String,

Import Smtplib From Email.mime.text import Mimetext _user = "1147016115@qq.com" #发件人 _pwd = "WCPXLDRTUTHAGJBC" #qq邮箱授权码 _to = "1208832227@qq.com" #收件人 msg = Mimetext ("Hellow,this is my first email!") #邮件内容msg["Subject"] = "Come form xieolei!"

A class is an abstract concept that describes the definition of a thing. An instance refers to a specific individual of that kind of thing, something that is specific To make an analogy:"Man" is a class. "Zhang San" is a concrete example of human

Notes for common Jupyter shortcuts and methods, and notes for jupyter shortcuts   Two different cells have an upper-lower relationship, which is not completely independent. We can see that the following res references the above   Shortcut

Python3.4 reading excel Data drawing, python3.4excel 1 #! /Usr/bin/env python 2 #-*-coding: UTF-8-*-3 # _ author _ = "blzhu" 4 "5 python study 6 Date: 2017 7 "8 # coding = UTF-8 9 ############################# ######################### 10 # filename:

Python nested dictionary comparison value, value, python nested # ValueImport typesallGuests = {'Alice ': {'append': 5, 'pretzels': {'12': {'beijing': 456 }}, 'bob ': {'ham sandwiches ': 3, 'apple': 2}, 'carol': {'cups ': 3, 'applies': 1} def