Get the count of words in a pdf file
If you don't have Python 3 installed, you just need to install python3 package :
$ sudo apt-get install python3
If you don't have pip3 installed, you just need to install pip3 using :
$ sudo apt-get install python3-pip
You may also need to install PyPDF2 if you don't already have it installed :
$ sudo pip3 install PyPDF2
$ python3 know_count.py <filename>