{
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  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
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   "source": [
    "from leann.api import LeannBuilder, LeannSearcher, LeannChat\n",
    "\n",
    "# 1. Build the index (no embeddings stored!)\n",
    "builder = LeannBuilder(backend_name=\"hnsw\")\n",
    "builder.add_text(\"C# is a powerful programming language\")\n",
    "builder.add_text(\"Python is a powerful programming language and it is very popular\")\n",
    "builder.add_text(\"Machine learning transforms industries\")\n",
    "builder.add_text(\"Neural networks process complex data\")\n",
    "builder.add_text(\"Leann is a great storage saving engine for RAG on your MacBook\")\n",
    "builder.build_index(\"knowledge.leann\")\n",
    "\n",
    "# 2. Search with real-time embeddings\n",
    "searcher = LeannSearcher(\"knowledge.leann\")\n",
    "results = searcher.search(\"programming languages\", top_k=2)\n",
    "\n",
    "# 3. Chat with LEANN using retrieved results\n",
    "llm_config = {\n",
    "    \"type\": \"ollama\",\n",
    "    \"model\": \"llama3.2:1b\"\n",
    "}\n",
    "\n",
    "chat = LeannChat(index_path=\"knowledge.leann\", llm_config=llm_config)\n",
    "response = chat.ask(\n",
    "    \"Compare the two retrieved programming languages and say which one is more popular today.\",\n",
    "    top_k=2,\n",
    ")"
   ]
  }
 ],
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