Both proxy and web servers are written in python2.7
The proxy server runs on port 12345 Run by: python proxyserver1.py
The proxy web runs on port 20003 Run by: python server1.py
Files can be requested by using the following command on terminal: curl -x http://localhost:12345 http://localhost:20003/1.txt
Files can be requested on browser by: http://localhost:20003/1.txt