def go_firebase(request):
    cred = credentials.Certificate('admin.json')
    firebase_admin.initialize_app(cred, {
    'databaseURL' : 'url'
    })
    ref=db.reference('agents')
    snapshot = ref.order_by_key().get()
    for key, val in snapshot.items():
        kw=val
        dictfilt = lambda x, y: dict([ (i,x[i]) for i in x if i in set(y) ])
        wanted_keys = ("address","name","phone","uid")
        result = dictfilt(kw, wanted_keys)
        data= json.dumps(result, sort_keys=True)
    return data

##In requirements.txt file I have mentioned firebase-admin