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   "source": [
    "# [Names Scores](https://projecteuler.net/problem=22)\n",
    "\n",
    "First, let's read the names into a list. We'll also strip the quotes around each name and sort them."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "2f23e8ed",
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"txt/0022_names.txt\") as f:\n",
    "    names = f.read().split(',')\n",
    "    \n",
    "for (i, name) in enumerate(names):\n",
    "    names[i] = name.strip('\"')\n",
    "    \n",
    "names.sort()"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "947bb620",
   "metadata": {},
   "source": [
    "The [`ord` function](https://docs.python.org/3/library/functions.html) returns the [Unicode](https://en.wikipedia.org/wiki/Unicode) code point of the provided character. Conveniently, the code point for `A` is 65, `B` is 66, and so on, so we can just subtract 64 to get an (uppercase) letter's number value. (These code points were chosen to be the same as [ASCII's](https://en.wikipedia.org/wiki/ASCII) for backward compatibility. [Here's a short but informative video on Unicode and UTF-8](https://www.youtube.com/watch?v=MijmeoH9LT4).)\n",
    "\n",
    "Add up these number values for a name, multiply by the position in the list, and sum up."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "9966edb4",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "871198282"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "def name_score(pos, name):\n",
    "    return pos * sum(ord(c) - 64 for c in name)\n",
    "\n",
    "\n",
    "sum(name_score(i, name) for (i, name) in enumerate(names, start=1))"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "7c61f808",
   "metadata": {},
   "source": [
    "#### Copyright (C) 2025 filifa\n",
    "\n",
    "This work is licensed under the [Creative Commons Attribution-ShareAlike 4.0 International license](https://creativecommons.org/licenses/by-sa/4.0/) and the [BSD Zero Clause license](https://spdx.org/licenses/0BSD.html)."
   ]
  }
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