Update app.py

app.py

@@ -91,10 +91,13 @@ def create_binary_tree_edges(root):
     while len(prev) > 0:
         new_prev = []
         for node in prev:
-            edges += [(node.id, child.id) for child in node.children]
-            new_prev += [child for child in node.children if (len(child.children) > 0)]
+            edges = edges + [(node.id, child.id) for child in node.children]
+            new_prev = new_prev + [child for child in node.children if (len(child.children) > 0)]
         prev = new_prev
 
+        print(edges)
+        print('-*'*20, '\n')
+
     return edges
 
 def plot_tree_using_igraph():
@@ -105,7 +108,7 @@ def plot_tree_using_igraph():
     edges = create_binary_tree_edges(root)
     # edges = [(str(n1), str(n2)) for (n1, n2) in edges]
 
-    print(edges)
+    # print(edges)
     
     # Create an igraph Graph from the edge list
     g = ig.Graph(edges, directed=True)