Create app.py

app.py

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+!echo openai_api_key="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" > .env
+
+import os 
+import openai
+from dotenv import load_dotenv
+
+# load_dotenv(".env")
+
+openai.api_key = os.environ.get("openai_api_key")
+
+with open("guide1.txt") as f:
+    hitchhikersguide = f.read()
+
+from langchain.text_splitter import CharacterTextSplitter
+
+text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0, separator = "\n")
+texts = text_splitter.split_text(hitchhikersguide)
+
+from langchain.embeddings.openai import OpenAIEmbeddings
+
+os.environ["OPENAI_API_KEY"] = openai.api_key
+
+embeddings = OpenAIEmbeddings()
+
+from langchain.vectorstores import Chroma
+
+docsearch = Chroma.from_texts(texts, embeddings, metadatas=[{"source": str(i)} for i in range(len(texts))]).as_retriever()
+
+from langchain.chains.question_answering import load_qa_chain
+from langchain.llms import OpenAI
+
+chain = load_qa_chain(OpenAI(temperature=0), chain_type="stuff")
+query = "What makes towels important?"
+chain.run(input_documents=docs, question=query)