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     "text": [
      "斐波那契数列前10项：\n",
      "1、1、2、3、5、8、13、21、34、55\n"
     ]
    }
   ],
   "source": [
    "def fibonacci(n):\n",
    "    \"\"\"\n",
    "    递归计算斐波那契数列第n项\n",
    "    param n: 项数 (正整数)\n",
    "    return: 第n项的值 ( int )\n",
    "    \"\"\"\n",
    "    # 递归出口：第1、2项为 1\n",
    "    if n == 1 or n == 2:\n",
    "        return 1\n",
    "    else:\n",
    "        # 递归公式：第n项 = 第n-1项 + 第n-2项\n",
    "        return fibonacci(n - 1) + fibonacci(n - 2)\n",
    "\n",
    "# 输出前10项\n",
    "print(\"斐波那契数列前10项：\")\n",
    "fib_list = []\n",
    "for i in range(1, 11):\n",
    "    fib_list.append(str(fibonacci(i)))  # 转为字符串，便于拼接\n",
    "print(\"、\".join(fib_list))  # 用 \"、\"连接列表元素"
   ]
  },
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