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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _read_history(f, zone):
 """This matches the Matlab reader from Matlab Exchange but doesn't seem correct. """

    pos, length = zone
    f.seek(pos, SEEK_SET)

    histories = []
    while f.tell() < (pos + length):
        history = {
            'nSample': unpack(MAX_SAMPLE * 'I', f.read(MAX_SAMPLE * 4)),
            'lines': unpack('H', f.read(2)),
            'sectors': unpack('H', f.read(2)),
            'base_time': unpack('H', f.read(2)),
            'notch': unpack('H', f.read(2)),
            'colour': unpack(MAX_CAN_VIEW * 'B', f.read(MAX_CAN_VIEW)),
            'selection': unpack(MAX_CAN_VIEW * 'B', f.read(MAX_CAN_VIEW)),
            'description': f.read(64).strip(b'\x01\x00'),
            'inputsNonInv': unpack(MAX_CAN_VIEW * 'H', f.read(MAX_CAN_VIEW * 2)),  # NonInv : non inverting input
            'inputsInv': unpack(MAX_CAN_VIEW * 'H', f.read(MAX_CAN_VIEW * 2)),  # Inv : inverting input

            'HiPass_Filter': unpack(MAX_CAN_VIEW * 'I', f.read(MAX_CAN_VIEW * 4)),
            'LowPass_Filter': unpack(MAX_CAN_VIEW * 'I', f.read(MAX_CAN_VIEW * 4)),
            'reference': unpack(MAX_CAN_VIEW * 'I', f.read(MAX_CAN_VIEW * 4)),
            'free': f.read(1720).strip(b'\x01\x00'),
            }
        histories.append(history)

    return histories