submission.ipynb

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      "source": [
        "# Code for Exercise 0\n",
        "\n",
        "def hello_world():\n",
        "  return (\"Hello, world!\")\n"
      ]
    },
    {
      "cell_type": "code",
      "execution_count": null,
      "metadata": {
        "id": "IzQqh3Wq2IFq"
      },
      "outputs": [],
      "source": [
        "# Code for Exercise 1\n",
        "\n",
        "def factorial(x):\n",
        "    if x == 1:\n",
        "        return 1\n",
        "    else:\n",
        "        # recursive call to the function\n",
        "        return (x * factorial(x-1))"
      ]
    }
  ],
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