how can show logs in blocks with filter by api

hello guys 
i have problem with this api request 

start = 0 limit=1 all_policies=[] while true:     url = f"{base_url}/api/v2/cmdb/firewall/policy?vdom={vdom}&start={start}&rows={limit}"         response = requests.get(url, headers=headers, verify=False)         if response.status_code == 200:             policies = response.json().get("results", [])             all_policies.append(policies)             if not policies:                 break  # No more policies to fetch start+=limit

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when i print all_policies in every loop, the first log show every request, that means the start in the URL does not work correctly
how can i take logs block by block?
the first request get log number 1 to 1000
the second request get log number 1001 to 2000
and so on