Python/__init__-and-__new__-method.ipynb

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    "# Daily-Dose-of-Data-Science\n",
    "\n",
    "[Daily Dose of Data Science](https://avichawla.substack.com) is a publication on Substack that brings together intriguing frameworks, libraries, technologies, and tips that make the life cycle of a Data Science project effortless. \n",
    "\n",
    "Author: Avi Chawla\n",
    "\n",
    "[Medium](https://medium.com/@avi_chawla) | [LinkedIn](https://www.linkedin.com/in/avi-chawla/)\n",
    "\n",
    "# Most Python Programmers Don't Know This About Python OOP\n",
    "\n",
    "Post Link: [Substack](https://avichawla.substack.com/p/most-python-programmers-dont-know-b55)\n",
    "\n",
    "LinkedIn Post: [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7039178112508604416/)"
   ]
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    "class Point:\n",
    "    def __new__(cls, x, y):\n",
    "        if isinstance(x, int) and isinstance(y, int):\n",
    "            return super().__new__(cls)\n",
    "        else:\n",
    "            raise TypeError(\"x and y must be integers\")\n",
    "    \n",
    "    def __init__(self, x, y):\n",
    "        self.x = x\n",
    "        self.y = y"
   ]
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   "source": [
    "p1 = Point(1,2)"
   ]
  },
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    {
     "ename": "TypeError",
     "evalue": "x and y must be integers",
     "output_type": "error",
     "traceback": [
      "\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[0;31mTypeError\u001b[0m                                 Traceback (most recent call last)",
      "Input \u001b[0;32mIn [3]\u001b[0m, in \u001b[0;36m<cell line: 1>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0m p2 \u001b[38;5;241m=\u001b[39m \u001b[43mPoint\u001b[49m\u001b[43m(\u001b[49m\u001b[38;5;241;43m1.5\u001b[39;49m\u001b[43m,\u001b[49m\u001b[38;5;241;43m2.5\u001b[39;49m\u001b[43m)\u001b[49m\n",
      "Input \u001b[0;32mIn [1]\u001b[0m, in \u001b[0;36mPoint.__new__\u001b[0;34m(cls, x, y)\u001b[0m\n\u001b[1;32m      4\u001b[0m     \u001b[38;5;28;01mreturn\u001b[39;00m \u001b[38;5;28msuper\u001b[39m()\u001b[38;5;241m.\u001b[39m\u001b[38;5;21m__new__\u001b[39m(\u001b[38;5;28mcls\u001b[39m)\n\u001b[1;32m      5\u001b[0m \u001b[38;5;28;01melse\u001b[39;00m:\n\u001b[0;32m----> 6\u001b[0m     \u001b[38;5;28;01mraise\u001b[39;00m \u001b[38;5;167;01mTypeError\u001b[39;00m(\u001b[38;5;124m\"\u001b[39m\u001b[38;5;124mx and y must be integers\u001b[39m\u001b[38;5;124m\"\u001b[39m)\n",
      "\u001b[0;31mTypeError\u001b[0m: x and y must be integers"
     ]
    }
   ],
   "source": [
    "p2 = Point(1.5,2.5)"
   ]
  }
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