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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 _xfsdump_output(data):
    '''
    Parse CLI output of the xfsdump utility.
    '''
    out = {}
    summary = []
    summary_block = False

    for line in [l.strip() for l in data.split("\n") if l.strip()]:
        line = re.sub("^xfsdump: ", "", line)
        if line.startswith("session id:"):
            out['Session ID'] = line.split(" ")[-1]
        elif line.startswith("session label:"):
            out['Session label'] = re.sub("^session label: ", "", line)
        elif line.startswith("media file size"):
            out['Media size'] = re.sub(r"^media file size\s+", "", line)
        elif line.startswith("dump complete:"):
            out['Dump complete'] = re.sub(r"^dump complete:\s+", "", line)
        elif line.startswith("Dump Status:"):
            out['Status'] = re.sub(r"^Dump Status:\s+", "", line)
        elif line.startswith("Dump Summary:"):
            summary_block = True
            continue

        if line.startswith(" ") and summary_block:
            summary.append(line.strip())
        elif not line.startswith(" ") and summary_block:
            summary_block = False

    if summary:
        out['Summary'] = ' '.join(summary)

    return out