text: # standard libraries
  import os
  import time
  
  # installed libraries
  from google_trans_new import google_translator
  from multiprocessing.dummy import Pool as ThreadPool
  from PyPDF2 import PdfFileReader
  
  
  pool = ThreadPool(8)	
  
  #lang = input("Enter language first two letter in which you want to translate : ")
  
  def noOfPage():
      pdfFileObj = open(f'old.pdf', 'rb')
      pdfReader = PdfFileReader(pdfFileObj)
      num_pages = pdfReader.numPages
      print(num_pages)
  
  noOfPage()
  