Finding nearest point of a Multidigraph in Python 3.7

[ThomasL]

H = [(1,2), (2,3), (1,3), (3,2), (3,4)]

new_H = {'x': [], 'y': []}
for x, y in H:
    new_H['x'].append(x)
    new_H['y'].append(y)

print(new_H)

# {'x': [1, 2, 1, 3, 3], 'y': [2, 3, 3, 2, 4]}