def Browser(driver_name="firefox", *args, **kwargs):
    """
    Returns a driver instance for the given name.

    When working with ``firefox``, it's possible to provide a profile name
    and a list of extensions.

    If you don't provide any driver_name, then ``firefox`` will be used.

    If there is no driver registered with the provided ``driver_name``, this
    function will raise a :class:`splinter.exceptions.DriverNotFoundError`
    exception.
    """

    try:
        driver = _DRIVERS[driver_name]
    except KeyError:
        raise DriverNotFoundError("No driver for %s" % driver_name)
    return driver(*args, **kwargs)
Returns a driver instance for the given name.

    When working with ``firefox``, it's possible to provide a profile name
    and a list of extensions.

    If you don't provide any driver_name, then ``firefox`` will be used.

    If there is no driver registered with the provided ``driver_name``, this
    function will raise a :class:`splinter.exceptions.DriverNotFoundError`
    exception.