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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_openephys(openephys_file):
 """Read the channel labels and their respective files from the 'Continuous_Data.openephys' file Parameters openephys_file : Path path to Continuous_Data.openephys inside the open-ephys folder Returns ------- int sampling frequency list of dict list of channels containing the label, the filename and the gain """

    root = ElementTree.parse(openephys_file).getroot()

    channels = []
    for recording in root:
        s_freq = float(recording.attrib['samplerate'])
        for processor in recording:
            for channel in processor:
                channels.append(channel.attrib)

    return s_freq, channels