Alpacaデータセット形式（アルパカデータセットけいしき）

{
  "instruction": "以下の文章を英語に翻訳してください。",
  "input": "今日はいい天気ですね。",
  "output": "It's nice weather today."
}

{
  "instruction": "日本の首都はどこですか？",
  "input": "",
  "output": "日本の首都は東京です。"
}

def format_alpaca(sample: dict) -> str:
    if sample["input"]:
        prompt = (
            f"Below is an instruction that describes a task, paired with an input "
            f"that provides further context. Write a response that appropriately "
            f"completes the request.\n\n"
            f"### Instruction:\n{sample['instruction']}\n\n"
            f"### Input:\n{sample['input']}\n\n"
            f"### Response:\n{sample['output']}"
        )
    else:
        prompt = (
            f"Below is an instruction that describes a task. "
            f"Write a response that appropriately completes the request.\n\n"
            f"### Instruction:\n{sample['instruction']}\n\n"
            f"### Response:\n{sample['output']}"
        )
    return prompt