For automatically downloading required packages use ppm.py file

All the required packages are mentioned in package.json file in required format(as key value pair)

Steps:

1. open terminal in Ubuntu
2. navigate to the folder containing ppm.py file
3. execute the file using command "python ppm.py package.json" (without braces)

the ppm.py file takes package.json as input file it installs packages using system call with pip