import asyncio


async def py_exclusive(title: str):
    """Exclusive exposed function

    Enter -> async sleep 10sec -> Exit
    During the call from one client,
    the call from another client is made to wait.

    Parameters
    ----------
    title: str
        Characters to print out on the server

    Returns
    ----------
    True
    """
    print(f'Enter py_exclusive: {title}')
    await asyncio.sleep(10)
    print(f'Exit  py_exclusive: {title}')
    return True