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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 mark_process_dead(pid, path=None):
 """Do bookkeeping for when one process dies in a multi-process setup."""

    if path is None:
        path = os.environ.get('prometheus_multiproc_dir')
    for f in glob.glob(os.path.join(path, 'gauge_livesum_{0}.db'.format(pid))):
        os.remove(f)
    for f in glob.glob(os.path.join(path, 'gauge_liveall_{0}.db'.format(pid))):
        os.remove(f)