lab3d.py output

python3 ./lab3d.py
Filesystem               Size  Used Avail Use% Mounted on
/dev/mapper/centos-root   44G  4.8G   40G  11% /
devtmpfs                 3.8G     0  3.8G   0% /dev
tmpfs                    3.9G   20M  3.8G   1% /dev/shm
tmpfs                    3.9G  9.0M  3.9G   1% /run
tmpfs                    3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sda1               1014M  234M  781M  24% /boot
tmpfs                    781M   20K  781M   1% /run/user/1000