gbic module

SYS module's functionSYS is a more commonly used module in Python, and provides operations on the environment where the Python script runs.SYS function:1 sys.argv #将python脚本运行时的脚本名以及参数作为一个list, and output.#test_py.py File#/usr/bin/python3ImportSYSPrint('The script name is:', sys.argv[0])ifLen (SYS.ARGV) > 1: Print("there is", Len (SYS.ARGV)-1,"arguments:")#use Len (SYS.ARGV)-1 to collect the number of parameters-1 for minus [0] script name forA

Day6 random Number Module, day6random random Number Module Random We often see Random verification codes of websites, which are generated by random numbers. Therefore, we need to know the random number module. How to generate a random number. Random Number generated by random Random. random () generates decimal places between 0 and 1. >>> Import random>>> Random.

Detailed explanation of the OS module in python and the pythonos Module The OS module allows you to create, delete, and view file attributes for directories or files, as well as perform path operations on files and directories. For example: absolute path, parent directory ...... os.sepIt can replace the path separator specified by the operating system. "\" In win

Shutil module and pythonshutil Module File, folder, and compressed Package Processing Module 1. shutil. copyfileobj (fsrc, fdst [, length]) Copy the file content to another file, which may be part of the content. F1 = open ("shutil note", "r", encoding = "UTF-8") f2 = open ("NOTE 2", "w", encoding = "UTF-8") shutil. copyfileobj (f1, f2) 　　 2. shutil. copyfile (sr

Introduction to the requests module of python crawler and the requests module of python CrawlerIntroduction # Introduction: You can use requests to simulate browser requests. Compared with urllib, the api of the requests module is more convenient (in essence, it encapsulates urllib3) # Note: after the requests library sends a request to download the webpage conte

Android FM module learning-source code parsing-Methods for saving the FM Module What I want to share today is the storage method of the FM module, namely, FmSharedPreferences. java. FmSharedPreferences (Context context) loads the Load () method in the constructor, public void Load(){ Log.d(LOGTAG, "Load preferences "); if(mContext == null) { return; } Share

Random module and pythonrandom Module The random module in Python is used to generate random numbers. Common functions are used as follows: Random. randint Function prototype: random. randint (a, B), which generates a randomIntegerN, where a Random. uniform Function prototype: random. uniform (a, B), which generates a randomFloating Point NumberN, where a Rando

Cocos2dx audio module Analysis (2): background music, cocos2dx Module Cocos2dx audio module Analysis (2): Background Music Section I have analyzed some things in (1). Next I will analyze the background music file playback Based on the android platform: 1. This is only the pre-loading of background music. Why is pre-loading required? It is time-consuming to load

Configparser module:is the module used by the Python standard library to parse the configuration file.Format:Section: Using [] to mark section names: or =: using: or = Assignment[Websv]ip: ' 192.168.1.10 ' port:443name = ' root ' pw = ' root1990 ' definition: WEBSV called sectionThe same item can have multiple values:IP: ' 192.168.1.11 ', ' 192.168.1.12 ', ' 192.168.1.13 ' #待测试When the read configuration file is changed, the parameter name is automati

. Streamhander (sys.stdout) Print_handler.setformatter (Formatter) # Add the specified log processing method to the instance, you can add multiple log processing methods Logger.addhandler ( File_handler) # Responsible for storing to file Logger.addhandler (Print_handler) # is responsible for printing to the screen # call logger, while the screen is displayed , save the log to file Logger.debug ("This is a Debug test") Logger.info ("This is an info test") logger.waring ("This is a Waring test") L

Beginners learn python to seek the guidance of the Great God, also with SYS import the path of the random.py, still not.Just wrong troubleshooting seems to have found the cause of the problem ...That's because my new Python file name in Pycharm is random, soThere is a random.py file in the current directory and it's written by yourself,So it will find its own definition of random.py and call it in Sys.path.Because of their own nothing, so it is hehe ; Change the file name and then OK.to pay mor

The string module provides a number of strings constants, as follows:__all__ = ["Ascii_letters", "Ascii_lowercase", "Ascii_uppercase", "Capwords", "digits", "hexdigits", "Octdigits", "Printable", "punctuation", "whitespace", "Formatter", "Template"]# Some strings for Ctype-style character Classificationwhitespace = ' \t\n\r\v\f ' ascii_lowercase = ' abcdefghijklmnopqrstuvwxyz ' ascii_uppercase = ' ABCDEFGHIJKLMNOPQRSTUVWXYZ ' ascii

PiL profile what is PILPIL: is the abbreviation of the Python Image Library, the module of the graphics processing. The main classes include Image,imagefont,imagedraw,imagefilterImport of PiLFirst you need to install the pillow packagePip Install PillowThen we can call the class in PiL.From PIL import imagefrom PIL import imagefontfrom PIL import imagedrawfrom PIL import ImageFilterPiL Common methodsOpen () #打开图片new (mode,size,color) #创建一张空白图片save

PiL profile what is PILPIL: is the abbreviation of the Python Image Library, the module of the graphics processing. The main classes include Image,imagefont,imagedraw,imagefilterImport of PiLFirst you need to install the pillow packagePip Install PillowThen we can call the class in PiL.From PIL import imagefrom PIL import imagefontfrom PIL import imagedrawfrom PIL import ImageFilterPiL Common methodsOpen () #打开图片new (mode,size,color) #创建一张空白图片save

#!/usr/bin/env python#-*-coding:utf-8-*-__author__="Loki"#usage:hashlib ModuleImportHashlibImport Time#wrapper function Calc Length and use timedefLen_type_tools (res):defWrapper (*args, * *Kwargs): Cur_time=time.time () len_res= Len (res (*args, * *Kwargs)) Result= Res (*args, * *Kwargs) End_time= Time.time ()-Cur_timePrint('Primary HASH result length is {0}, use time {1:.2f}'. Format (len_res, end_time))returnresultreturnwrapperdefmenu_list (): Func_list= {} forIteminchHashlib.__dict__:

Random moduleRandom module for dealing with random problems.Import Random # random integers Print (Random.randint (0, 9)) # a random integer between 0 and 9 Print (Random.randrange (1, 2)) # 1 to 9 randomly an odd number# Random Decimals Print (Random.random ()) # random one decimal between 0 to 1 Print (Random.uniform (1, 3)) # random one decimal between 1 to 3# Random return Print ' a ' ' b '])) # randomly select a return from the object Print

2.random Module#随机浮点数Random.random () #生成0到1之间的随机浮点数, cannot be specified by itselfRandom.uniform (1,10) # can specify#随机整数Random.randint (1,7) #生成1到7之间的随机整数1 #随机选取0到100间的偶数:Random.randrange (0,101,2) #生成随机整数#随机字符Random.choice (') #传的是一个序列 (including strings, tuples, lists)#多个字符中选取特定数量的字符Random.sample (' sequence ', length)#洗牌Random.shuffle ([1,2,3,4,5,6,7,8,9])Example:1 # 4-bit pure digit verification Code 2 Import Random 3 checkcode='4 for in range

HTTP Server and ClientThe node. JS Standard library provides an HTTP module that encapsulates an efficient HTTP server and a simple HTTP client, Http.server is an event-based HTTP server whose core is implemented by the C + + section of the node. JS Downlevel While the interface is packaged in JavaScript, both performance and simplicity, Http.request is an HTTP client tool for initiating requests to the HTTP service;Create HTTP server 1. Http.createse

file])The following are some of the definitions that are commonly used in support path operations, supporting all platformsOs.curdir refers to the current directory ('. ') ）Os.pardir refers to the upper level directory (' ... ') ）OS.SEP output operating system-specific path delimiter (win under ' \ \ ', Linux under '/')Os.linesep the line terminator used by the current platform (win under ' \ r \ n ', Linux ' \ n ')Os.name refers to the currently used operating system (including: ' POSIX ', ' N

The time-related modules in the Python language are mainly: Time,datetime,calendar (the Python timing module primarily calls the C library, so the platforms may vary)Noun Explanation: UTC timeUTC time (coordinated Universal time, world co-ordination) is GMT, world standard Time. In China for Utc+8. DST (daylight saving time) i.e. daylight saving timeThere are 3 ways in which Python is represented in time, namely:1. Time stampThe timestamp represents t