read frequceny of word in PDF.ipynb

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      "7 approach\n",
      "6 panning\n",
      "4 knowledge\n",
      "4 evaluate\n",
      "3 sponge\n",
      "3 requires\n",
      "3 approaches\n",
      "3 active\n",
      "2 trying\n",
      "2 thinking\n",
      "2 something\n",
      "2 sentences\n",
      "2 reader\n",
      "2 questions\n",
      "1 yourself\n",
      "1 writer\n",
      "1 understand\n",
      "1 underlining\n",
      "1 underline\n",
      "1 uncover\n",
      "1 tremendous\n",
      "1 topics\n",
      "1 thought\n",
      "1 though\n",
      "1 tedious\n",
      "1 summarizing\n",
      "1 stresses\n",
      "1 special\n",
      "1 sometimes\n",
      "1 someone\n",
      "1 similarity\n",
      "1 should\n",
      "1 reward\n",
      "1 remember\n",
      "1 reflect\n",
      "1 reasoning\n",
      "1 reading\n",
      "1 readers\n",
      "1 rather\n",
      "1 question\n",
      "1 provides\n",
      "1 process\n",
      "1 problems\n",
      "1 present\n",
      "1 potential\n",
      "1 possess\n",
      "1 points\n",
      "1 person\n",
      "1 participation\n",
      "1 opinions\n",
      "1 number\n",
      "1 mission\n",
      "1 mental\n",
      "1 memorizes\n",
      "1 material\n",
      "1 listeners\n",
      "1 interactive\n",
      "1 interaction\n",
      "1 intellectual\n",
      "1 individual\n",
      "1 important\n",
      "1 ignore\n",
      "1 himself\n",
      "1 highlight\n",
      "1 gravel\n",
      "1 frequent\n",
      "1 forgetting\n",
      "1 exhibit\n",
      "1 examine\n",
      "1 emphasizes\n",
      "1 distinguish\n",
      "1 different\n",
      "1 determine\n",
      "1 designed\n",
      "1 dependable\n",
      "1 decisions\n",
      "1 conversation\n",
      "1 conclusion\n",
      "1 complement\n",
      "1 closely\n",
      "1 choose\n",
      "1 choice\n",
      "1 checks\n",
      "1 chapter\n",
      "1 challenging\n",
      "1 carefully\n",
      "1 believe\n",
      "1 beliefs\n",
      "1 behavior\n",
      "1 available\n",
      "1 author\n",
      "1 attitude\n",
      "1 asking\n",
      "1 arguments\n",
      "1 anything\n",
      "1 answers\n",
      "1 addition\n",
      "1 acquisition\n",
      "1 acquired\n",
      "1 acquire\n",
      "1 absorb\n"
     ]
    }
   ],
   "source": [
    "import PyPDF2,re,string\n",
    "frequency={}\n",
    "pdfFileObj=open('F:\\\\ziqianbeifen\\\\zhuomian\\\\英文电子书\\\\批判性思维\\\\Asking the Right Questions.pdf','rb')\n",
    "pdfReader=PyPDF2.PdfFileReader(pdfFileObj)\n",
    "for pageNum in range(16,18):\n",
    "    pageObj=pdfReader.getPage(pageNum)\n",
    "\n",
    "text_string=pageObj.extractText().lower()\n",
    "match_pattern=re.findall(r'\\b[a-z]{6,15}\\b',text_string)\n",
    "\n",
    "for word in match_pattern:\n",
    "    count=frequency.get(word,0)\n",
    "    frequency[word]=count+1\n",
    "\n",
    "l=[]\n",
    "for a,b in frequency.items():\n",
    "    l.append((b,a))\n",
    "l.sort(reverse=True)\n",
    "\n",
    "for words,frequency[words] in l:\n",
    "    print(words,frequency[words])"
   ]
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