### Install LlamaIndex

Source: https://docs.llamaindex.ai/en/stable

Use pip to install the LlamaIndex library in your Python environment.

```bash
pip install llama-index
```

--------------------------------

### Query Data with LlamaIndex

Source: https://docs.llamaindex.ai/en/stable

A 5-line starter script to load documents from a directory, index them, and perform a query.

```python
from llama_index.core import VectorStoreIndex, SimpleDirectoryReader


documents = SimpleDirectoryReader("data").load_data()
index = VectorStoreIndex.from_documents(documents)
query_engine = index.as_query_engine()
response = query_engine.query("Some question about the data should go here")
print(response)
```

=== COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.