class_docstr: A directed edge in a directed graph.
  Stores the source and target node of the edge.
class_docstr_tok: ["A","directed","edge","in","a","directed","graph",".","Stores","the","source","and","target","node","of","the","edge","."]
code: def __repr__(self):
      return f"({self.source} -> {self.target})"
  
file_path: keon-algos/algorithms/graph/graph.py
label_desc: Use image node_id 3 for calling the DirectedEdge obj's underlying member method code with example usage: obj.__repr__() and returns: str, self, str, self, str