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def make_dict(row):
    data = dict()
    for seconds, vehicle_id, event_id, ac_state, dc_state, train_speed in zip(
        row["seconds_to_incident_sequence"],
        row["vehicles_sequence"],
        row["events_sequence"],
        row["dj_ac_state_sequence"],
        row["dj_dc_state_sequence"],
        row["train_kph_sequence"],
    ):
        if seconds not in data.keys():
            data[seconds] = {
                vehicle_id: {
                    event_id: {
                        "train_speed": train_speed,
                        "ac_state": ac_state,
                        "dc_state": dc_state,
                    }
                }
            }
        elif vehicle_id not in data[seconds].keys():
            data[seconds] = {
                vehicle_id: {
                    event_id: {
                        "train_speed": train_speed,
                        "ac_state": ac_state,
                        "dc_state": dc_state,
                    }
                }
            }
        elif event_id not in data[seconds][vehicle_id].keys():
            data[seconds][vehicle_id] = {
                event_id: {
                    "train_speed": train_speed,
                    "ac_state": ac_state,
                    "dc_state": dc_state,
                }
            }
        else:
            print("problem")
    return data