def METHOD_NAME(row):
    strm = row['ADMIT_TERM']
    year = int(strm[:3]) + 1900
    sem = int(strm[-1]) # 1, 4, or 7
    if sem in [1,4]:
        return '%s/%s' % (year-1, year)
    else:
        return '%s/%s' % (year, year+1)