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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 get_summary_page_link(ifo, utc_time):
 """Return a string that links to the summary page and aLOG for this ifo Parameters ifo : string The detector name utc_time : sequence First three elements must be strings giving year, month, day resp. Returns ------- return_string : string String containing HTML for links to summary page and aLOG search """

    search_form = search_form_string
    data = {'H1': data_h1_string, 'L1': data_l1_string}
    if ifo not in data:
        return ifo
    else:
        # alog format is day-month-year
        alog_utc = '%02d-%02d-%4d' % (utc_time[2], utc_time[1], utc_time[0])
        # summary page is exactly the reverse
        ext = '%4d%02d%02d' % (utc_time[0], utc_time[1], utc_time[2])
        return_string = search_form % (ifo.lower(), ifo.lower(), alog_utc, alog_utc)
        return return_string + data[ifo] % ext