add

app.py

@@ -393,6 +393,9 @@ for k1 in plots_k1["X"]:
   k1_b_map = evaluate_map(rankings, split=Split.dev)
   plots_k1["Y"].append(k1_b_map)
 
+best_b = plots_b["X"][np.argmax(plots_b["Y"])]
+best_k1 = plots_k1["X"][np.argmax(plots_k1["Y"])]
+
 
 
 from scipy.sparse._csc import csc_matrix