yufenghou

摘要： #coding=utf-8__author__ = 'sun'from numpy import *import operatordataSet=array([[1.0,1.1],[1.0,1.0],[0,0],[0,0.1]])labels=['A','A','B','B']def classify0(inX,dataSet,labels,k): dataSetSize=dataSet.shape[0] diffMat=tile(inX,(dataSetSize,1))-dataSet#两个矩阵相减 sqDiff 阅读全文

摘要： #coding=utf-8import cPickle as pshoplistfile='shoplist.data'shoplist=['apple','mango','carrot']f=file(shoplistfile,'w')p.dump(shoplist,f)f.close()del shoplistf=file(shoplistfile)storedlist=p.load(f)print storedlist 阅读全文

摘要： #coding=utf-8poem='''\Programming is funWhen the work is doneif you wanna make your work also fun: use Python!'''f=file('poem.txt','w')f.write(poem)f.close()f=file('poem.txt')while True: line=f.readline() if len(line)==0: break print line,f.close() 阅读全文

摘要： #coding=utf-8class SchoolMember: def __init__(self,name,age): self.name=name self.age=age print 'SchoolMember：%s' %self.name def tell(self): print "Name:'%s' Age:'%s'"%(self.name,self.age)class Teacher(SchoolMember): def __init__(self,name,age,salary): Sch... 阅读全文