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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 _parse_xfs_info(data):
    '''
    Parse output from "xfs_info" or "xfs_growfs -n".
    '''
    ret = {}
    spr = re.compile(r'\s+')
    entry = None
    for line in [spr.sub(" ", l).strip().replace(", ", " ") for l in data.split("\n")]:
        if not line:
            continue
        nfo = _xfs_info_get_kv(line)
        if not line.startswith("="):
            entry = nfo.pop(0)
            ret[entry[0]] = {'section': entry[(entry[1] != '***' and 1 or 0)]}
        ret[entry[0]].update(dict(nfo))

    return ret