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    "https://leetcode.com/problems/unique-email-addresses\n",
    "\n",
    "\n",
    "Runtime: 44 ms, faster than 94.60% of Python3 online submissions for Unique Email Addresses.\n",
    "Memory Usage: 14.4 MB, less than 62.51% of Python3 online submissions for Unique Email Addresses.\n",
    "\n",
    "\n",
    "```python\n",
    "class Solution:\n",
    "    def numUniqueEmails(self, emails: List[str]) -> int:\n",
    "        #7:38\n",
    "        real_emails = []\n",
    "        for e in emails:\n",
    "            splits = e.split(\"@\")\n",
    "            local_name = splits[0]\n",
    "            domain_name = splits[1]\n",
    "            local_name = local_name.replace(\".\", \"\")\n",
    "            if \"+\" in local_name:\n",
    "                local_name = local_name.split(\"+\")[0]\n",
    "            e = local_name + \"@\" + domain_name\n",
    "            real_emails.append(e)\n",
    "        return len(set(real_emails))\n",
    "        #7:42\n",
    "```"
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