from langchain.prompts import PromptTemplate
from langchain.chains import LLMChain

def blog_post_gen(topic, llm):
    
    blog_post_prompt = f"Write a blog Plost about {topic}."
    blog_post_promptTemp = PromptTemplate(
    input_variables=["text_input"],
    template="You are a Professional Content Creator and Blog Writer:\n{text_input}\nBlog Post:")
    blog_post_extraction_chain = LLMChain(llm=llm, prompt=blog_post_promptTemp)
    blog_post = blog_post_extraction_chain.run(blog_post_prompt)
    
    return blog_post