Langchain code module deprecated

[Raveendiran-RR]

The Lanchani module used is deprecated for OLLAMA. Please update the code
error :

---

LangChainDeprecationWarning: The class Ollama was deprecated in LangChain 0.3.1 and will be removed in 1.0.0. An updated version of the class exists in the :class:~langchain-ollama package and should be used instead. To use it run pip install -U :class:~langchain-ollama and import as from :class:~langchain_ollama import OllamaLLM``.
llm = Ollama(model="llama3.2:latest",
LangChainDeprecationWarning: The method BaseLLM.__call__ was deprecated in langchain-core 0.1.7 and will be removed in 1.0. Use :meth:`~invoke` instead.
slide_data.append(extract_items(llm(f"""

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