__author__ = 'student' l=[] l=list('yaoxiaohua') print l print l[0:2] l=list('abc') print l*3 l.append(4) print l l.extend('de') print l print l.count('a') l.sort() print l l.reverse() print l l[0:2]=[1,2,3] print l print list(map (ord,'spam')) l = […

http://kazoo.readthedocs.org/en/latest/basic_usage.html Basic Usage Connection Handling To begin using Kazoo, a KazooClient object must be created and a connection established: from kazoo.client import KazooClient zk = KazooClient(hosts='127.0.0.1:21…

Install TensorFlow on mac Install pip # Mac OS X $ sudo easy_install pip $ sudo easy_install --upgrade six Install tensorflow # Mac OS X, CPU only, Python 2.7: $ export TF_BINARY_URL=https://storage.googleapis.com/tensorflow/mac/cpu/tensorflow-0.12.1…

1. How to run the python file? python ...py 2. UTF-8 is a character encoding, just like ASCII. 3. round(floating-point number) 4. %r print the way you write. It prints whatever you write, even if you have special characters, such as '\n'. 5. how to o…

python中,logging模块主要是处理日志的. 所谓日志,可理解为在软件运行过程中,所记录的的一些运行情况信息 软件开发人员可以根据自己的需求添加日志,日志可以帮助软件开发人员 了解软件的运行信息,对软件的维护尤为重要. 日志级别: Level When it's used DEBUG detailed information,typically of interest only when diagnosing problems INFO confirmation that things…

From: http://learnpythonthehardway.org/book Comment with line comment: Ctrl + slash Run: Shift + F10 Next Break Point: F9 Run code partially in Console: Right Click +  Execute Selection in Console English Learning: + plus - minus / slash * asterisk %…

01.variable ''' 변수(variable) - 자료(data)를 임시(휘발성) 저장하는 역할 - 실제 자료가 아닌 자료의 주소를 저장한다.(참조변수) ''' # 1. 변수와 자료 print('변수와 자료') # 콘솔 출력 var1 = "hello python" # or 'hello python' print(var1) # 변수 내용 출력 print(type(var1)) # 자료형 확인 - <class 'str'> #…

#遍历一个序列,很多传统语言过来的,习惯用下标遍历,Python中序列是可迭代的,直接for即可! colors=['red','green','blue','yellow'] for color in colors: print color #遍历倒序,用range的负数来遍历,不如直接反转遍历for color in reversed((colors): print (color) #zip真的不错,尤其是处理2个序列非常简洁,遍历2个collectionnames=['loe','lili…

1. install python dev sudo apt-get install python-dev 2.download src code and install https://pypi.python.org/pypi/netifaces/ 2.get ip,mac,netmask,gateway import netifaces netifaces.interfaces() netifaces.gateways() https://pypi.python.org/pypi/netif…

基于谭浩强老师<C++程序设计(第三版)>做简要Summary.(2019-07-24) 一.数组与指针 1. 指针数组 一个数组,其元素均为指针类型数据,该数组称为指针数组.(type_name * array_name[length]) char *point_array[]={"Basic", "C++", "Pascal"}; //1. 每一个数组内容均为一个char*类型的指针 char* point_array[3]={&…