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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_strain_losc(ifo, start_time, end_time):
 """ Get the strain data from the LOSC data Parameters ifo: str The name of the IFO to read data for. Ex. 'H1', 'L1', 'V1' start_time: int The gps time in GPS seconds end_time: int The end time in GPS seconds Returns ------- ts: TimeSeries Returns a timeseries with the strain data. """

    channel = _get_channel(start_time)
    return read_frame_losc('%s:%s' % (ifo, channel), start_time, end_time)