KDnuggets_LangChain_Prompt_Template.py

review  = """

I bought last week the latest Samsung washing machine. 
The product is too expensive for what it is. 
I won't recommend it to anyone.

"""

from langchain.llms import OpenAI

from langchain import PromptTemplate

llm = OpenAI(model_name="text-davinci-003")

template = """ 

For any new review that is sent to you, extract the following information:

Product: What product is the buyer reviewing?\
Answer the name of the product. If this information is not found, output unknown.

Reason why: Why's the buyer satisfied or unsatisfied?
Answer the main reason why. Answer unknown if you do not find the info. 

Satisfied: Is the buyer satisfied with the product? \
Answer True if yes, False if not or unknown.



Format the output as JSON with the following keys:
Product
Satisfaction
Reason

review: {review}

"""

prompt = PromptTemplate(

input_variables=["review"],

template=template,

)

final_prompt = prompt.format(review=review )

print(f"LLM Output: {llm(final_prompt)}")