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   "source": [
    "from collections import Counter"
   ]
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   "outputs": [],
   "source": []
  },
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   "source": [
    "https://leetcode.com/problems/uncommon-words-from-two-sentences\n",
    "\n",
    "\n",
    "Runtime: 32 ms, faster than 55.17% of Python3 online submissions for Uncommon Words from Two Sentences.\n",
    "Memory Usage: 14.4 MB, less than 16.21% of Python3 online submissions for Uncommon Words from Two Sentences.\n",
    "\n",
    "\n",
    "```python\n",
    "from collections import Counter\n",
    "\n",
    "class Solution:\n",
    "    def uncommonFromSentences(self, A: str, B: str) -> List[str]:\n",
    "        a = A.split(\" \")\n",
    "        b = B.split(\" \")\n",
    "        ac = Counter(a)\n",
    "        bc = Counter(b)\n",
    "        r = set(a) ^ set(b)\n",
    "        for v in r.copy():\n",
    "            i = 0\n",
    "            if v in ac:\n",
    "                i += ac[v]\n",
    "            if v in bc:\n",
    "                i += bc[v]\n",
    "            if i != 1:\n",
    "                r.remove(v)\n",
    "        return list(r)\n",
    "```\n",
    "\n",
    "\n",
    "Spent 23 minutes\n",
    "\n",
    "2 shoot"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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