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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 image_mapped(name):
 """Determine whether a RADOS block device is mapped locally."""

    try:
        out = check_output(['rbd', 'showmapped'])
        if six.PY3:
            out = out.decode('UTF-8')
    except CalledProcessError:
        return False

    return name in out