UnknownSec Bypass 403

: /lib/python3/dist-packages/twisted/test/ [ drwxr-xr-x ]
name : process_echoer.py """Write back all data it receives.""" import sys data = sys.stdin.read(1) while data: sys.stdout.write(data) sys.stdout.flush() data = sys.stdin.read(1) sys.stderr.write("byebye") sys.stderr.flush()