生产唯一的uuid.ipynb

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    "# UUID\n",
    "\n",
    "+ 通过 Python 标准库中的 uuid 模块，可以快速并简单地生成统一的唯一ID（又称UUID）.\n",
    "```python\n",
    "import uuid\n",
    "user_id = uuid.uuid4()\n",
    "print(user_id)\n",
    "```\n",
    "+ UUID 是128位的全局唯一标识符，通常由32字节的字符串表示。它可以保证时间和空间的唯一性，也称为 GUID，全称为：UUID —— Universally Unique IDentifier，Python 中叫 UUID。它通过 MAC 地址、时间戳、命名空间、随机数、伪随机数来保证生成ID的唯一性。"
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      "362e37bc-4295-475c-89e7-62b545898dab\n"
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   "source": [
    "import uuid\n",
    "user_id = uuid.uuid4()\n",
    "print(user_id)"
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