addressing comments for classification_with_grn_and _vsn.py

Author: Humbulani1234

examples/structured_data/ipynb/classification_with_grn_and_vsn.ipynb

@@ -681,7 +681,7 @@
     "learning_rate = 0.001\n",
     "dropout_rate = 0.15\n",
     "batch_size = 265\n",
-    "num_epochs = 1  # may be adjusted to a desired value\n",
+    "num_epochs = 20  # may be adjusted to a desired value\n",
     "encoding_size = 16\n",
     "\n",
     "model = create_model(encoding_size)\n",