Sequential chains

LangChain के साथ LLM एप्लिकेशन विकसित करना

Jonathan Bennion

AI Engineer & LangChain Contributor

एक AI ट्रैवल गाइड.

एक व्यक्ति पेरिस में करने लायक गतिविधियों के लिए AI ट्रैवल गाइड से पूछता है.

AI व्यक्ति को पेरिस में कई गतिविधियों के सुझाव देता है.

व्यक्ति AI गाइड को बताता है कि वह लौवर और आर्क दे ट्रायोंफ देखना चाहता है.

AI ट्रैवल गाइड चुनी हुई गतिविधियों के लिए एक यात्रा-कार्यक्रम बनाता है.

यह ट्रैवल इटिनरेरी वर्कफ़्लो एक sequential problem का उदाहरण है.

Sequential chains

आउटपुट → इनपुट

destination_prompt = PromptTemplate(
    input_variables=["destination"],
    template="I am planning a trip to {destination}. Can you suggest some activities to do there?"
)

activities_prompt = PromptTemplate(
    input_variables=["activities"],
    template="I only have one day, so can you create an itinerary from your top three activities: {activities}."
)


llm = ChatOpenAI(model="gpt-4o-mini", api_key=openai_api_key)


seq_chain = ({"activities": destination_prompt | llm | StrOutputParser()}

    | activities_prompt
    | llm
    | StrOutputParser())

print(seq_chain.invoke({"destination": "Rome"}))

- Morning:
1. Start your day early with a visit to the Colosseum. Take a guided tour to learn about its history and significance.
2. After exploring the Colosseum, head to the Roman Forum and Palatine Hill to see more of ancient Rome's ruins.

- Lunch:
3. Enjoy a delicious Italian lunch at a local restaurant near the historic center.

- Afternoon:
4. Visit the Vatican City and explore St. Peter's Basilica, the Vatican Museums, and the Sistine Chapel.
5. Take some time to wander through the charming streets of Rome, stopping at landmarks like the Pantheon, Trevi
Fountain, and Piazza Navona.

- Evening:
6. Relax in one of Rome's beautiful parks, such as Villa Borghese or the Orange Garden, for a peaceful escape from the
bustling city.
7. End your day with a leisurely dinner at a local restaurant, indulging in more Italian cuisine and maybe some gelato.

अभ्यास करते हैं!

LangChain के साथ LLM एप्लिकेशन विकसित करना