changed readme

Author: DvirDukhan

README.md

@@ -56,7 +56,7 @@ result = redis_graph.query(query)
 for record in result.result_set:
     path = record[0]
     # See path.py for more path API.
-    print(path.edge_count(), path.nodes_count())
+    print(path)
 
 
 # All done, remove graph.

redisgraph/path.py

@@ -51,3 +51,17 @@ def add_edge(self, edge):
 
     def __eq__(self, other):
         return self.nodes == other.nodes and self.edges == other.edges
+
+    def __str__(self):
+        res = "<"
+        edge_count = self.edge_count()
+        for i in range(0, edge_count):
+            node_id = self.get_node(i).id
+            res += "(" + str(node_id) + ")"
+            edge = self.get_relationship(i)
+            res += "-[" + str(int(edge.id)) + "]->" if edge.src_node == node_id else "<-[" + str(int(edge.id)) + "]-"
+        node_id = self.get_node(edge_count).id
+        res += "(" + str(node_id) + ")"
+        res += ">"
+        return res
+