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   "source": [
    "https://leetcode.com/problems/backspace-string-compare\n",
    "\n",
    "\n",
    "\n",
    "Runtime: 32 ms, faster than 55.24% of Python3 online submissions for Backspace String Compare.\n",
    "Memory Usage: 14.2 MB, less than 49.13% of Python3 online submissions for Backspace String Compare.\n",
    "\n",
    "\n",
    "\n",
    "```python\n",
    "class Solution:\n",
    "    def backspaceCompare(this, S: str, T: str) -> bool:\n",
    "        return this.textBox(S) == this.textBox(T)\n",
    "    \n",
    "    def textBox(this, s: str) -> str:\n",
    "        r = \"\"\n",
    "        for c in s:\n",
    "            if c == \"#\":\n",
    "                r = r[:-1]\n",
    "            else:\n",
    "                r += c\n",
    "        return r\n",
    "```"
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