import os
from gcore import Gcore

client = Gcore(
    api_key=os.environ.get("GCORE_API_KEY"),  # This is the default and can be omitted
)
placement_group_list = client.cloud.placement_groups.list(
    project_id=0,
    region_id=0,
)
print(placement_group_list.count)

{
  "count": 1,
  "results": [
    {
      "instances": [
        {
          "instance_id": "<string>",
          "instance_name": "<string>"
        }
      ],
      "name": "<string>",
      "policy": "<string>",
      "project_id": 123,
      "region": "<string>",
      "region_id": 123,
      "servergroup_id": "<string>"
    }
  ]
}