Handler.writejson(cid1,cid2,pathList)
- Returns a json file shown on the website. It is list of shortest path from source company to target company.
- Parameters:
- - cid1: company id, starting node
- - cid2: company id, ending node
- - pathList: list of shortest path
- Returns: four list of path
- Raises: NoPath: if no path exists between source and target, return null.
- Notes: give an example.
