json-rpc-client.py

import requests

url = 'http://localhost:8000/rpc'

data = dict(
        method='echo',
        params=[dict(client_id='1')],
        jsonrpc='2.0',
        id=0)
print(url, data)
r = requests.post(url, json=data)
if r.status_code == 200:
    print(r.json())
else:
    print(f'Status code {r.status_code}')