import requests
import json

def get_data_from_api():
    # Opening the file and loading its content
    with open("config.json", 'r') as file:
        config = json.load(file)
    response = requests.get(config["url_endpoint"])
    return response.json()

def get_materials_from_api():
    return get_data_from_api()['data']['compounds']

def get_properties_from_api():
    return get_data_from_api()['data']['observables']


props = get_properties_from_api()
for p in props.keys():
    print( props[p]['description'] )