def hardware_qubit_strength_vqp(coupling_graph):
    """
    This method calculates qubit connectivity strengths from
    the harware coupling graph for vqp strategy.
    https://ieeexplore.ieee.org/document/9251960
    Args:
        hardware coupling graph (edge weights = 1)
    Returns:
         Dictionary holding the connectivity strenths of every qubit.
    """
    con_strengths = {}
    for node in coupling_graph.nodes():
        neighbours = coupling_graph.neighbors(node)
        strength = 0
        for neigh in neighbours:
            strength += coupling_graph[node][neigh]['weight']
        con_strengths[node] = strength
    return con_strengths