import requests
import json

def main():

    # bitmonerod is running on the localhost and port of 18081
    url = "http://localhost:4540/json_rpc"

    # standard json header
    headers = {'content-type': 'application/json'}

    # the block to get
    block_hash = '06aed4587063f4a9a541dface2fb0e769fa66bc6f887618e7c17c9bf9ad4761a'

    # bitmonerod' procedure/method to call
    rpc_input = {
           "method": "getblockheaderbyhash",
           "params": {"hash": block_hash}
    }

    # add standard rpc values
    rpc_input.update({"jsonrpc": "2.0", "id": "0"})

    # execute the rpc request
    response = requests.post(
        url,
        data=json.dumps(rpc_input),
        headers=headers)

    # pretty print json output
    print(json.dumps(response.json(), indent=4))

if __name__ == "__main__":
    main()

[b]RETURNS[/b]

"jsonrpc": "2.0",
    "id": "0",
    "result": {
        "status": "OK",
        "block_header": {
            "nonce": 2147486423,
            "reward": 3041477300,
            "hash": "06aed4587063f4a9a541dface2fb0e769fa66bc6f887618e7c17c9bf9ad4761a",
            "timestamp": 1458084126,
            "major_version": 1,
            "minor_version": 0,
            "difficulty": 1643551,
            "depth": 1032,
            "prev_hash": "0d6ac8263ed12d31432860d7fbef22d323e46181509729ec75168cc15e5afd26",
            "orphan_status": false,
            "height": 7026