Python Library Reference has a nice discussion of the sequence types available within in Python.
python库参考书精辟讨论了Python中的序列类型。
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A stream is nothing more than a sequence of bytes that can be read or written using library functions that hide the details of an underlying device from the application.
流只不过是一个可以使用库功能读取或写入的字节序列,库功能向应用程序隐藏了底层设备的细节。
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The sequence of commands to compile the library are