import xlwt
workbook=xlwt.Workbook(encoding="utf-8")    #创建workbook对象
worksheet=workbook.add_sheet('sheet1')      #创建工作表

for i in range(1,10):   #行
    for j in range(1,i+1):   #列
            worksheet.write(i-1,j-1,"%d * %d = %d"%(i,j,i*j))
workbook.save('99.xls')                #保存文件