import shutil


def get_disk_stat(drive=None):
    """
    Get disk size statistics.

    Parameters
    ----------
    drive : TYPE, optional
        DESCRIPTION. The default is None.

    Returns
    -------
    disk_stat : TYPE
        DESCRIPTION.

    """
    if not drive:
        drive = '/'
    disk_stat = list(shutil.disk_usage(drive))
    return disk_stat