Lab 2 python /shared/singelapp.py not giving any out put

vagrant@m312:~ hostname -f m312.mongodb.university vagrant@m312:~ mongod --config /shared/single.cfg
about to fork child process, waiting until server is ready for connections.
forked process: 13434
child process started successfully, parent exiting
vagrant@m312:~ python /shared/singleapp.py vagrant@m312:~

why python/shared/singeleapp.py not working ?