python文件读取：从任意位置读取任意长度数据

从任意位置读取任意长度数据python def funn(location,length): path = os.path.join(os.path.abspath(os.path.dirname(__file__) + os.path.sep + ".."), "xxxx", "xxxx") filedir = os.path.join(path,filename) tr

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