统计英文单词数.ipynb

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      "['A', 'plethora', 'of', 'real', 'world', 'problems', 'such', 'as', 'the', 'control', 'of', 'autonomous', 'vehicles', 'and', 'drones', 'packet', 'delivery', 'and', 'many', 'others', 'consists', 'of', 'a', 'number', 'of', 'agents', 'that', 'need', 'to', 'take', 'actions', 'based', 'on', 'local', 'observations', 'and', 'can', 'thus', 'be', 'formulated', 'in', 'the', 'multi', 'agent', 'reinforcement', 'learning', 'MARL', 'setting', 'Furthermore', 'as', 'more', 'machine', 'learning', 'systems', 'are', 'deployed', 'in', 'the', 'real', 'world', 'they', 'will', 'start', 'having', 'impact', 'on', 'each', 'other', 'effectively', 'turning', 'most', 'decision', 'making', 'problems', 'into', 'multiagent', 'problems', 'In', 'this', 'thesis', 'we', 'develop', 'and', 'evaluate', 'novel', 'deep', 'multi', 'agent', 'RL', 'DMARL', 'methods', 'that', 'address', 'the', 'unique', 'challenges', 'which', 'arise', 'in', 'these', 'settings', 'These', 'challenges', 'include', 'learning', 'to', 'collaborate', 'to', 'communicate', 'and', 'to', 'reciprocate', 'amongst', 'agents', 'In', 'most', 'of', 'these', 'real', 'world', 'use', 'cases', 'during', 'decentralised', 'execution', 'the', 'final', 'policies', 'can', 'only', 'rely', 'on', 'local', 'observations', 'However', 'in', 'many', 'cases', 'it', 'is', 'possible', 'to', 'carry', 'out', 'centralised', 'training', 'for', 'example', 'when', 'training', 'policies', 'on', 'a', 'simulator', 'or', 'when', 'using', 'extra', 'state', 'information', 'and', 'free', 'communication', 'between', 'agents', 'during', 'the', 'training', 'process']\n"
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     "execution_count": 10,
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   "source": [
    "import re\n",
    "\n",
    "def words(address = \"MARL.txt\"):\n",
    "    with open(address, 'r') as f:\n",
    "        info = f.readlines()\n",
    "    m = re.findall(r\"[A-z]+\", info[0])\n",
    "    print(m)\n",
    "    return len(m)\n",
    "words()"
   ]
  }
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