Create app.py

app.py

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+from langchain_community.chat_models import ChatOllama
+from langchain_core.output_parsers import StrOutputParser
+from langchain_core.prompts import ChatPromptTemplate
+
+# Local Llama3
+llm = ChatOllama(
+    model="llama3",
+    keep_alive=-1,
+    temperature=0,
+    max_new_tokens=512)
+
+# you can changed template for genereted your text
+prompt = ChatPromptTemplate.from_template("Write me a 100 word article on {topic} from the perspective of a {profession}. ")
+
+chain = prompt | llm | StrOutputParser()
+
+for chunk in chain.stream({"topic": "LLMs", "profession": "labor"}):
+    print(chunk, end="", flush=True)