<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def write_command(cls, writer, name, buffers=()):
 """ Write a command to the specified writer. :param writer: The writer to use. :param name: The command name. :param buffers: The buffers to writer. """

        assert len(name) < 256

        body_len = len(name) + 1 + sum(len(buffer) for buffer in buffers)

        if body_len < 256:
            writer.write(struct.pack('!BBB', 0x04, body_len, len(name)))
        else:
            writer.write(struct.pack('!BQB', 0x06, body_len, len(name)))

        writer.write(name)

        for buffer in buffers:
            writer.write(buffer)