Update app.py

app.py

@@ -189,12 +189,20 @@ def display_simple_directed_graph():
 
 def display_custom_node_position():
     st.title("Drawing: Custom Node Position")
+
+    # Create a graph with a few nodes and edges
+    G = nx.Graph()
+    G.add_edges_from([("A", "B"), ("B", "C"), ("C", "A")])
+
+    # Define custom positions for the nodes
     pos = {"A": (1, 2), "B": (2, 3), "C": (3, 1)}
-    G = nx.Graph(pos)
-    nx.draw(G, pos=pos, with_labels=True)
+
+    # Draw the graph with the custom positions
+    nx.draw(G, pos=pos, with_labels=True, node_color='lightblue', node_size=500, font_size=10, font_weight='bold')
     st.pyplot(plt)
 
 
+
 # Call the appropriate function based on sidebar selection
 if sidebar_option == "Basic: Properties":
     display_basic_properties()