# standard imports
import json

DEFAULT_HEADERS = [
    ('Access-Control-Allow-Origin', '*'),
    ('Content-Type', 'application/json'),
]


def respond(start_response, data):
    json_data = json.dumps(data)
    content = json_data.encode('utf-8')
    headers = [
        *DEFAULT_HEADERS,
        ('Content-Type', 'application/json',)
    ]
    start_response('200 OK', headers)
    return [content]