def get_box_coord(flare_x, flare_y, box_size):
    """
    A function that takes a flare location and returns co-ordinates for a box around the flare
    
    Param: flare_x,integer flare location x
           flare_y, integer flare location y
           box_size, length of the sides of the box
    
    return: list of tuple integers for the vertices of a box of a given size around a flare (top left, top right, bottom left, bottom right)
    """
    
    return [(flare_x - 0.5*box_size, flare_y + 0.5*box_size), (flare_x + 0.5*box_size, flare_y + 0.5*box_size), (flare_x - 0.5*box_size, flare_y - 0.5*box_size), (flare_x + 0.5*box_size, flare_y - 0.5*box_size)]