Segment
    
              Bases: DataModel
A data model for representing segment.
Attributes:
- 
          title(str) –The title of the segment. 
- 
          x(list[int]) –The x-coordinates of the segment. 
- 
          y(list[int]) –The y-coordinates of the segment. 
The segment is represented as lists of x and y coordinates, where each index corresponds to a specific point.