def suggestpapers(myfilename,filename,num): ##read data and find similar papers to the papers in file ## f2 = open(myfilename,'r+',encoding='utf-8') mydata = csv.reader(f2) mypapers=[] for paper in mydata: mypapers.append([paper[0],paper[1],paper[2],paper[3],paper[4]]) f2.close() del mypapers[0] similars = [] num = 10 for paper in mypapers: f1 = open(filename,'r+',encoding='utf-8') rawdata = csv.reader(f1) similars.append([paper,Analyze.similarpapers(paper,rawdata,num)]) f1.close() return similars