xlwt 是用PYTHON生成EXCEL文件的包，和xlrd是读写整套包，巨方便,xlwt is generated PYTHON package EXCEL files, and read and write the entire package is xlrd, giant convenience

python 读取excel文件，这是一个系列的包，巨方便-python read excel file, which is a series of packets, giant convenience

使用 xlrd 能够很方便的读取 excel 文件内容，而且这是个跨平台的库，能够在windows，linux/unix，等平台上面使用。 -Use xlrd can easily read the contents of excel file, and this is a cross-platform libraries, can be windows, linux/unix, and other platforms used above.