text: callbacks=callbacks, verbose=True)llm_result = llm.generate(["Tell me a joke", "Tell me a poem", "Tell me a fact"] * 3)print("LLM result", llm_result)comet_callback.flush_tracker(llm, finish=True)Scenario 2: Using an LLM in a Chainâ€‹from langchain.callbacks import CometCallbackHandler, StdOutCallbackHandlerfrom langchain.chains import LLMChainfrom langchain.llms import OpenAIfrom langchain.prompts import PromptTemplatecomet_callback = CometCallbackHandler(    complexity_metrics=True,    project_name="comet-example-langchain",    stream_logs=True,    tags=["synopsis-chain"],)callbacks = [StdOutCallbackHandler(), comet_callback]llm = OpenAI(temperature=0.9, callbacks=callbacks)template = """You are a playwright. Given the title of play, it is your job to write a synopsis for that title.Title: {title}Playwright: This is a synopsis for the above play:"""prompt_template = PromptTemplate(input_variables=["title"], template=template)synopsis_chain = LLMChain(llm=llm, prompt=prompt_template, callbacks=callbacks)test_prompts = [{"title": "Documentary about Bigfoot in Paris"}]print(synopsis_chain.apply(test_prompts))comet_callback.flush_tracker(synopsis_chain, finish=True)Scenario 3: Using An Agent with Toolsâ€‹from langchain.agents import initialize_agent, load_toolsfrom langchain.callbacks import CometCallbackHandler, StdOutCallbackHandlerfrom langchain.llms import OpenAIcomet_callback = CometCallbackHandler(    project_name="comet-example-langchain",    complexity_metrics=True,    stream_logs=True,    tags=["agent"],)callbacks = [StdOutCallbackHandler(), comet_callback]llm =