def in?(bounding_box)
      top, left, bottom, right = bounding_box.coords
      (left..right) === @lng && (top..bottom) === @lat
    end
def in?(bounding_box)
      top, left, bottom, right = bounding_box.coords
      (left..right) === @lng && (top..bottom) === @lat
    end
initializes a point object using latitude and longitude
 returns true if point is in bounding_box, false otherwise