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effective, practical and high-quality software disciplines, it contains a wide range of aspects, including programming language, software development platform, software development model and many other aspects of the content.　　In fact, software engineering has not been very accurate definition, everyone or organization have their own understanding. I think, learning software engineering, not only to learn how to use java,c++ and other languages to write code, but also to learn the principles of

:", end="") Print(sortedclasscount[0][0])returnSORTEDCLASSCOUNT[0][0]if __name__= ="__main__": start ()Output Result: Dataset.shape[0] Returns the number of rows in the matrix:4Dataset.shape[1] Returns the number of columns of a matrix:2(4, 2)dataset.shape Type:diffmat:[[2 1][1 0][2 2][ -1-2]]sqdiffmat:[[4 1][1 0][4 4][1 4]]sqdistances:[5 1 8 5]distance from unknown point to each known point: [2.23606798 1.2.82842712 2.23606798]index Position: [1 0 3 2]label 0:a1th visit, Clas