$pwd /home/jeffrin/beautifulwork/github $ls beautifulwork-github.php beautifulwork-github.py $ls -l total 8 -rw-r–r– 1 jeffrin jeffrin 414 Dec 10 2016 beautifulwork-github.php -rw-r–r– 1 jeffrin jeffrin 1300 Dec 10 2016 beautifulwork-github.py $cat ../../ls.py from subprocess import call call([“ls”, “-l”]) $python ../../ls.py total 8 -rw-r–r– 1 jeffrin jeffrin 414 Dec 10 2016 beautifulwork-github.php -rw-r–r– 1 jeffrin jeffrin 1300 Dec 10 …