relations: Get multiple relations

curl 'https://api.openstreetmap.org/api/0.6/relations?relations=12345%2C12346'

import requests

resp = requests.get(
    "https://api.openstreetmap.org/api/0.6/relations",
    params={
        'relations': '12345,12346',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("openstreetmap")
result = api.fetch("relations", relations="12345,12346")

for item in result:
    print(item)

const resp = await fetch("https://api.openstreetmap.org/api/0.6/relations?relations=12345%2C12346");
const data = await resp.json();