from gcore import Gcore

client = Gcore(
    api_key="My API Key",
)
vod_statistics_series = client.streaming.statistics.get_vod_storage_volume(
    from_="from",
    to="to",
)
print(vod_statistics_series)

[
  {
    "client": 123,
    "metrics": {
      "vod": [
        123
      ]
    }
  }
]