Update README.md

README.md

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 license: apache-2.0
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+Out repository [flan-alpaca-lora](https://github.com/Reason-Wang/flan-alpaca-lora) contains the details to train flan-t5 with [Alpaca](https://github.com/tatsu-lab/stanford_alpaca) instructions and [low-rank adaptation](https://arxiv.org/abs/2106.09685).
+
+This model is trained with [alpaca-gpt4](https://github.com/Instruction-Tuning-with-GPT-4/GPT-4-LLM) instructions data.
+
+Usage:
+
+```python
+import transformers
+from peft import PeftModel
+
+model_name = "google/flan-t5-xl"; peft_model_id = "reasonwang/flan-alpaca-gpt4-lora-xl"
+tokenizer = transformers.AutoTokenizer.from_pretrained(model_name)
+base_model = transformers.AutoModelForSeq2SeqLM.from_pretrained(model_name)
+peft_model = PeftModel.from_pretrained(base_model, peft_model_id)
+
+inputs = tokenizer("If you are the president of a developing country, what you will do to make your country better?", return_tensors="pt")
+outputs = peft_model.generate(**inputs, max_length=256, do_sample=True)
+print(tokenizer.batch_decode(outputs, skip_special_tokens=True))
+
+```