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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 from_cli_single_ifo(opt, length, delta_f, low_frequency_cutoff, ifo, **kwargs):
 """ Get the PSD for a single ifo when using the multi-detector CLI """

    single_det_opt = copy_opts_for_single_ifo(opt, ifo)
    return from_cli(single_det_opt, length, delta_f, low_frequency_cutoff,
                    **kwargs)