diff --git a/examples/notebooks/ezkl_demo.ipynb b/examples/notebooks/ezkl_demo.ipynb
index 7ad7b8204..c5eea3199 100644
--- a/examples/notebooks/ezkl_demo.ipynb
+++ b/examples/notebooks/ezkl_demo.ipynb
@@ -681,13 +681,21 @@
       "source": [
         "onchain_input_array = []\n",
         "\n",
-        "for value in proof[\"instances\"]:\n",
-        "    for field_element in value:\n",
-        "        onchain_input_array.append(ezkl.vecu64_to_int(field_element))\n",
+        "# using a loop\n",
+        "# avoiding printing last comma\n",
+        "formatted_output = \"[\"\n",
+        "for i, value in enumerate(proof[\"instances\"]):\n",
+        "    for j, field_element in enumerate(value):\n",
+        "        onchain_input_array.append(ezkl.vecu64_to_felt(field_element))\n",
+        "        formatted_output += str(onchain_input_array[-1])\n",
+        "        if j != len(value) - 1:\n",
+        "            formatted_output += \", \"\n",
+        "    formatted_output += \"]\"\n",
+        "\n",
         "# This will be the values you use onchain\n",
         "# copy them over to remix and see if they verify\n",
         "# What happens when you change a value?\n",
-        "print(\"pubInputs: \", onchain_input_array)\n",
+        "print(\"pubInputs: \", formatted_output)\n",
         "print(\"proof: \", \"0x\" + proof[\"proof\"])"
       ]
     },