优化¶

如果您在Colab上打开这个笔记本，您可能需要安装LlamaIndex 🦙。

In [ ]:

%pip install llama-index-llms-openai

%pip install llama-index-llms-openai

In [ ]:

!pip install llama-index

!pip install llama-index

下载数据¶

In [ ]:

!mkdir -p 'data/paul_graham/'
!wget 'https://raw.githubusercontent.com/run-llama/llama_index/main/docs/docs/examples/data/paul_graham/paul_graham_essay.txt' -O 'data/paul_graham/paul_graham_essay.txt'

!mkdir -p 'data/paul_graham/' !wget 'https://raw.githubusercontent.com/run-llama/llama_index/main/docs/docs/examples/data/paul_graham/paul_graham_essay.txt' -O 'data/paul_graham/paul_graham_essay.txt'

加载数据¶

In [ ]:

from llama_index.core import SimpleDirectoryReader

from llama_index.core import SimpleDirectoryReader

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reader = SimpleDirectoryReader(
    input_files=["./data/paul_graham/paul_graham_essay.txt"]
)

reader = SimpleDirectoryReader( input_files=["./data/paul_graham/paul_graham_essay.txt"] )

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docs = reader.load_data()

docs = reader.load_data()

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text = docs[0].text

text = docs[0].text

总结¶

In [ ]:

from llama_index.llms.openai import OpenAI

llm = OpenAI(model="gpt-3.5-turbo")

from llama_index.llms.openai import OpenAI llm = OpenAI(model="gpt-3.5-turbo")

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from llama_index.core.response_synthesizers import Refine

summarizer = Refine(llm=llm, verbose=True)

from llama_index.core.response_synthesizers import Refine summarizer = Refine(llm=llm, verbose=True)

In [ ]:

response = summarizer.get_response("who is Paul Graham?", [text])

response = summarizer.get_response("who is Paul Graham?", [text])

> Refine context: making fakes for a local antique dealer. She'd ...
> Refine context: look legit, and the key to looking legit is hig...
> Refine context: me 8 years to realize it. Even then it took me ...
> Refine context: was one thing rarer than Rtm offering advice, i...

In [ ]:

print(response)

print(response)

Paul Graham is an individual who has played a crucial role in shaping the internet infrastructure and has also pursued a career as a writer. At one point, he received advice from a friend that urged him not to let Y Combinator be his final noteworthy achievement. This advice prompted him to reflect on his future with Y Combinator and ultimately led him to pass on the responsibility to others. He approached Jessica and Sam Altman to assume leadership positions in Y Combinator, aiming to secure its continued success.