categories: List categories

curl 'https://world.openfoodfacts.org/api/v2/categories?page=1&page_size=20'

import requests

resp = requests.get(
    "https://world.openfoodfacts.org/api/v2/categories",
    params={
        'page': '1',
        'page_size': '20',
    },
)
data = resp.json()

import zingu_apis

api = zingu_apis.api("openfoodfacts")
result = api.fetch("api/v2/categories", page=1, page_size=20)

for item in result:
    print(item)

const resp = await fetch("https://world.openfoodfacts.org/api/v2/categories?page=1&page_size=20");
const data = await resp.json();