python 3 6 tutorial

A python conditional statement determines which block of code is executed by judging the execution result of one or more conditional statements.The IF statement in Python is used for control program execution in the basic form:If judging condition:Execute statement ...ElseExecute statement ...#coding =utf8A = 2If a > 0:print ' A greater than 0 'Elseprint ' A is less than 0 'The judgment condition of the IF

First, prefaceLearn the use of the Python random number module, and use the functions in the module to achieve 6-bit verification code generationIi. Random Module 1, random.random ()Returns 0-1 direct random number, type float>>>print(random.random())0.12591846916629082, Random.randint (1, 8)Returns 1-8 direct random numbers, including 8>>>print(random.randint(1, 8))33, Random.choice ()Randomly fetching ele

ASP. NET Aries getting started development tutorial 6: List data table formatting and In-row editing, asp. netariesPreface: I wrote a text on the weekend to catch up with the progress! The first few articles describe the query box and toolbar. This section describes operations related to table data. First look at the list: There are many things to do next.1: format-key value Translation ForEnable Column, Y

using the GD2 function to implement chart analysis product data (PHP graphic image Typical Application tutorial 6) The use of charts to analyze product data information is the most commonly used data management model of large and medium-sized enterprises, through the chart to analyze the product can not only be at a glance, but also on the next stage of product planning decision-making, rapid improvement o

. Working with strongly typed viewsWhen designing the index view, we already understand the benefits of using strong typing. You should also use strong typing in the write view.First, with @model MessageBoard.Models.Message at the top of the write view, you can then replace the previous helper method with a strongly typed helper method. The strongly typed helper method name is the auxiliary method name plus the suffix "for", such as the strong type of Html.label is html.labelfor. The code after

1. Q: Briefly describe the relationship between Unicode and utf-8 in Python? What are the commonly used functions? A: Unicode is a set of character encodings that define a unique encoding for each character; Utf-8 is an implementation of Unicode that uses variable-length encoding to store characters; commonly used functions:1) Decode: implementation of conversion from other encodings to Unicode encoding2) Encode: Enables conversion from Unicode to oth

, True, color_red)TextRectObj = textSurfaceObj. get_rect ()Pygame. display. update () If _ name _ = '_ main __':Main () 3. Key knowledge points: Sound processing uses the pygame. mixer. music module, which provides a wide range of methods, as follows: [Plain]Pygame. mixer. music. loadNotes: loading music filesPrototype: pygame. mixer. music. load (filename): return NonePygame. mixer. music. playViews: plays music.Prototype: pygame. mixer. music. play

are matchedPrint (Re.findall ("A.C", "123131asc,ssf\nafaa-c", re. Dotall))? Match 0 or one, there must match, if not also canPrint (Re.findall (' ab? ', "AA Ssafsfaabbssa"))* Match 0 or infinity + match one or infinity {n,m}print (Re.findall (' \d+. \d+ '). * Greedy match, select the most valuePrint (Re.findall ("A.*c", ' assfafasfcssssfafsfsf111223c '))Match to assfafasfcssssfafsfsf111223c.A non-greedy match that matches the value of a compound that is less earlyPrint (Re.findall ("A.C ", ' as

Ashamed, this topic is to refer to other people's blog made out, the main difficulty in1. How to get a zip file2.comments is a thing, the original author also in the blog "What the hell is the comments?"From this problem, I find that1. The information is not necessarily only on this page, you can modify the URL to obtain additional information.2. For information that you cannot understand in the tip, such as "comments" in the subject, you can try searching in the

The unit collects many questionnaires in Word format, and the leader needs to collect the form's Information, I put all the questionnaires in a file, wrote a Python applet to print out the required information, this small program can be from Analyze information and extract information in python text #coding: Utf-8 import osimport win32comfrom win32com.client import Dispatch, Constantsfrom docx import Docum

Familiar with Python (3) and familiar with python String is a topic center. ID of a string In many cases, we need to perform operations on each character in the string (see the following content for details). To perform operations accurately, we must perform the task of numbering the characters. For example, if there are 50 students in a class and all of these st

to understand with the following code) #!/usr/bin/python #-*-Coding:utf-8-*-#1 a = {"name": ' Ljs ', "age":, ' weight ': "Print"% (name) s% (age) d (weigh t) D; " %a #ljs 22 75; #将已经定义的变量扩展到字符串中 name = ' Ljs ' age = Weight = + R = '% (name) s% (age) d (weight) D; " %vars () print R #ljs 22 75; The print VARs () #vars () function contains a dictionary of all variables defined at this time #2 and 3 a =