code: def count_intersections(self, line_segments_b):
          
          line_segments_a = self.lineSegments
  
          # Calculate intersections
          intersection_points = []
          for line1, line2 in itertools.product(line_segments_a,
                                                line_segments_b):
              intersection_points += get_segments_intersections(line1, line2)
          return len(set(intersection_points))
docs: Count the intersections of two strokes with each other.
  
          Parameters
          ----------
          line_segments_b : list
              A list of line segemnts
  
          Returns
          -------
          int
              The number of intersections between A and B.