chain_of_thought.py

from config import set_environment
from langchain_core.prompts import PromptTemplate
from langchain_openai.chat_models import ChatOpenAI

set_environment()

cot_instruction = "Let's think step by step!"
cot_instruction2 = "Explain your reasoning step-by-step. Finally, state the answer."
reasoning_prompt = "{question}\n" + cot_instruction
prompt = PromptTemplate(template=reasoning_prompt, input_variables=["question"])

model = ChatOpenAI()
chain = prompt | model
print(
    chain.invoke(
        {
            "question": "There were 5 apples originally. I ate 2 apples. "
            "My friend gave me 3 apples. How many apples do I have now?",
        }
    )
)  # noqa: E501


if __name__ == "__main__":
    pass