def MVDict_to_WDiGraph(mvd: multivalued_dict) -> 'DirectedGraph':
from collections import Counter
WDG = DiGraph()
for _out_node, _value_list in mvd.items():
WDG.add_weighted_edges_from(
(_out_node, _in_node, _weight)
for _in_node, _weight in Counter(_value_list).items())
return WDG
