def find_memb_sharing_node(_nodes, _elements):
    """
    Find and group members sharing node
    """
    print('    * Finding elements sharing nodes')
    #
    for _node in _nodes.values():
        _node.elements = [k for k, v in _elements.items()
                          if v.node[0].number == _node.number
                          or v.node[1].number == _node.number]
    #
    return _nodes