1
import httpx
2

3

4
async def app_exists(as_client: httpx.AsyncClient, package: str) -> bool:
5
    params = {
6
        "id": package
7
    }
8
    req = await as_client.head(f"https://play.google.com/store/apps/details", params=params)
9
    return req.status_code == 200
10

11