anaconda python 3 6

Python is a cool language because you can do a lot of things with very little code in a very short period of time. Not only that, it can also easily support multitasking, such as multi-process. Python critics sometimes say python execution is slow. This article will try to introduce 6 tips to speed up your

For learning and working needs, while installing the Python 2 and Python 3 interpreters (or Anaconda 2 and Anaconda 3) to facilitate the switch between versions, we need to install the corresponding PIP for two versions $ sudo ap

(dictionary parameters) M.N. M is the minimum total width displayed, and n is the number of digits after the decimal point (if available) Python2.6 begins with the addition of a function str.format () that formats the string, which enhances the functionality of string formatting.Python three-quote (triple quotes)Three quotation marks in Python can be used to copy complex strings:Python three quotes allow a string to spa

;>> if x == 1： File "The above error is obvious, syntax error, colon is problematic. As a beginner, you may need to be wary of some of the following symbols as they are entered English comma English Colon English parentheses Brackets in English The symbol is not accurate, the general Python interpreter will prompt SyntaxError , encounter this error do not fear, find a way to solve the good.Error

The two most commonly used modules:Os#可以允许python调用执行系统命令, such as the shellSYS#处理与python程序本身的事情Python comes with more than 200 common modulesThe Python website collects more than 2000 modules and can basically find any features you want, including graphics and interfaces .SYS module>>>Import SYS Import Module>>>Sys.pa

previous article, we introduced the use of the Power operator (* *) to calculate the N-squared of a number. In fact, you can use a function to replace this operator, this function is the POW, the function can pass two parameters, if you want to calculate X's Y, then the POW function's 1th parameter should be x, the 2nd parameter should be Y. The POW function returns the result of the calculation. For example, the following code calculates 2 of the 6-

not annotated in the compiled binaries.In the Python language, comments are divided into single-line comments and multiline comments. A single-line comment begins with a pound sign (#), and a multiline comment is enclosed in 3 quotation marks (single or double quotes). If you use a single-line comment, everything behind the pound sign is ignored when compiling the program, and if you use multiline comments

Python learning notes (10) Python collection (3) and python learning notes Set operation Relationship between elements and sets The relationship between elements and a set is to determine whether an element is a member of a set. "A" in aset 1 >>> s = set ([1, 2, 3, 4]) 2 >>>

Python's 6 basic data types--dictionariesDictionarydefinition and characteristics of dictionariesA dictionary is the only type of mapping in the Python language. definition : {key1:value1,key2:value2} 1、 键与值用冒号"："分开； 2、项与项用逗号"，"分开； features : 1.key：value结构 2.key必须可hash、且必须为不可变数据类型、必须唯一(数字、字符串、元组) 3.value可存放任意多个值、可修改、可以不唯一

A pit, don't know why, just record it.1 while loop! = 0:2 // omit operation 3 print loop4 if loop = = 0:5 print (ID (loop))6 print (ID (0))Running results in Python 2.7Skip loop printing with loop not 003809311234396768Running results in Python 3