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pythonimport timeimport stringimport reimport socketimport threadingtime.sleep(10)print "java" Import the private module m. py file #! /Bin/env python # coding: gbk # coding: UTF-8 # The above loading supports the Chinese annotation def plus (a, B ): # "XXX" "is a function description or" this is a test + "a = a + B return a + BUse import to load the m. py Module #! /Bin/env python # coding: gbk # coding: UTF-8 "Use the sys module to import the specified Python file path" import syssys. path. a

This time for you to bring Python how to get greatest common divisor, Python to find greatest common divisor attention to what, the following is the actual case, together to see. Before summarizing the greatest common divisor solution in Gartner TAOCP, in fact, the algorithm modification in the after-class problem is to solve the greatest common divisor by the method of the Euclidean division. My initial understanding of this topic was wrong, and naturally I did not make the standard answer. No

CREATE proc [dbo]. [usp_contacts_select_by_page]--Stored Procedure name@pageindex int,--Current page@pagesize int,--Number of bars per page@pagecount int output,--Total pages@recordcount int output--Total number of barsAsBeginSelect C1.*,c2.groupname to #tmp_contacts from contacts as C1 inner JOINContactgroup as C2 on c1.groupid=c2.groupid--storing data from two tables in a staging tableSELECT * FROM(select *,rn=row_number () over (order by contactId ASC) from #tmp_contacts) as Twhere T.rn betwe

. In addition, the weighted error rate must be reduced successively during each iteration. (2) Complete AdaBoost algorithmdefAdaboosttrainds (Dataarr, classlabels, Numit = 40): Weakclassarr=[] M=shape (Dataarr) [0] D= Mat (Ones (m,1))/m) aggclassest= Mat (Zeros (m,1))) forIinchRange (numit): Beststump, error, Classest=buildstump (Dataarr, Classlabels, D)#print "D:", d.tAlpha = float (0.5 * log ((1.0-error)/max (Error, 1e-16)))#ensure that no error occurs except for 0 overflowbeststump['Alp

, Bprint "--------------------"A[1] = 'NI'B['c'] = 'spam'print "L, D"print L, Dprint "A, B"print A, B L, D[1, 2, 3] {'a': 1, 'b': 2}A, B[1, 2, 3] {'a': 1, 'b': 2}--------------------L, D[1, 2, 3] {'a': 1, 'b': 2}A, B[1, 'NI', 3] {'a': 1, 'c': 'spam', 'b': 2} 3. Enhanced assignment and shared reference: X = x + y, x appears twice, it must be executed twice, performance is not good, merging must create object x, and then copy the two lists to merge Copy/copy X + = y, x only appears once, and will

Full-stack Python development: python Assignment Method, python Assignment MethodChained assignment A = 1b = 1c = 1 # For variables with the same value, the following method can be used to assign a value for a = B = c = 1 print (id (a), a) print (id (B), B) together) print (id (c), c) Result: Cross assignment # Swap m, n value m = 1n = 2 # general method temp = mm = nn = tempprint (m, n) # Cross assignment m, n = n, mprint (m, n) Extract variab

"Java"Import a private module m.py file#!/bin/env python#coding:gbk#coding:utf-8# above loading is support Chinese gaze def plus (A, B): # "" "" XXX "" "is a description of the function or use" "" "" " this is a test + "" a = a+b return a+bLoading the m.py module with import#!/bin/env python#coding:gbk#coding:utf-8 "Importing the path of the specified Python file using the Sys module" Import syssys.path.append ("./") "Importing Python files" Import

connection value, the corresponding changes. The latter (deep copy) is the beginning of a self-built space, the original list of values change, it does not follow the change.3. Annotations (Normalization)1. # TODO: Prompt Before you pass git (not considered here)2, in-line comment Balabala # Balabala3. Single line Comment # Balabala4, multi-line Comment ""5, function, class internal commentdef foo (name, age):"""What is this function for?:p Aram Name: User name, must be a string type:p Aram Age

. The inspect module is described in section 3rd of this article.2.1. Modules (module)__DOC__: Document String. If the module does not have a document, this value is none.*__name__: The module name is always defined, even if you use import. As it takes an alias, or assigns another variable name.*__dict__: contains a dictionary of the property names-attributes available in the module; The object that can be accessed by using the module name. Property name.__FILE__: Contains the file path for the

Python formatted outputname = "laowang" age = 18 print(age) print(type(name)) print(name + str(age)) print("老王今年%d岁"%age) print("%s今年%d岁"%(name,name)) Print floating-point numbers (Specify the number of decimal places reserved) * *Print ("His height is%.2f m"% (1.83))Effect for his height is 1.83 mPrint ("Hello")Print ("World")If she doesn't change the line display, you can changePrint ("Hello", end= "")Print ("World")Print default

"Import a private module m.py file#!/bin/env python#coding:gbk#coding:utf-8# above loading is supported in Chinese note def plus (A, B): # "" "" XXX "" "is a description of the function or use" "" "" "" " this is a test + "" a = a+b return a+bLoad m.py module with import#!/bin/env python#coding:gbk#coding:utf-8 "Importing the path of the specified Python file using the Sys module" Import syssys.path.append ("./") "Importing Python files" Import M