>>> from events import *
>>> from moving import MovingObject, TimeInterval

>>> objects = [MovingObject(num = i, timeInterval = TimeInterval(0,10)) for i in range(10)]
>>> interactions = createInteractions(objects)
>>> len([i for i in interactions if len(i.roadUserNumbers) == 1])
0
>>> objects2 = [MovingObject(num = i, timeInterval = TimeInterval(0,10)) for i in range(100, 110)]
>>> interactions = createInteractions(objects, objects2)
>>> len([i for i in interactions if len(i.roadUserNumbers) == 1])
0
