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    "## Wordnet Lemmatizer\n",
    "Lemmatization technique is like stemming. The output we will get after lemmatization is called ‘lemma’, which is a root word rather than root stem, the output of stemming. After lemmatization, we will be getting a valid word that means the same thing.\n",
    "\n",
    "NLTK provides WordNetLemmatizer class which is a thin wrapper around the wordnet corpus. This class uses morphy() function to the WordNet CorpusReader class to find a lemma. Let us understand it with an example −\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [],
   "source": [
    "## Q&A,chatbots,text summarization\n",
    "from nltk.stem import WordNetLemmatizer"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "lemmatizer=WordNetLemmatizer()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'go'"
      ]
     },
     "execution_count": 8,
     "metadata": {},
     "output_type": "execute_result"
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   "source": [
    "'''\n",
    "POS- Noun-n\n",
    "verb-v\n",
    "adjective-a\n",
    "adverb-r\n",
    "'''\n",
    "lemmatizer.lemmatize(\"going\",pos='v')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "words=[\"eating\",\"eats\",\"eaten\",\"writing\",\"writes\",\"programming\",\"programs\",\"history\",\"finally\",\"finalized\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "eating---->eat\n",
      "eats---->eat\n",
      "eaten---->eat\n",
      "writing---->write\n",
      "writes---->write\n",
      "programming---->program\n",
      "programs---->program\n",
      "history---->history\n",
      "finally---->finally\n",
      "finalized---->finalize\n"
     ]
    }
   ],
   "source": [
    "for word in words:\n",
    "    print(word+\"---->\"+lemmatizer.lemmatize(word,pos='v'))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'go'"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lemmatizer.lemmatize(\"goes\",pos='v')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "('fairly', 'sportingly')"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lemmatizer.lemmatize(\"fairly\",pos='v'),lemmatizer.lemmatize(\"sportingly\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  },
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   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
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   "cell_type": "code",
   "execution_count": null,
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