Which kind of device is to the left of the mouse pad?
The device is a keyboard.
    src        edge_attr  dst
0     0  to the right of    9
1     0  to the right of    4
2     1   to the left of    5
3     1   to the left of    4
4     1   to the left of    6
..  ...              ...  ...
70   20  to the right of   12
71   20  to the right of    5
72   21               on    0
73   21  to the right of    4
74   21  to the right of    9

[75 rows x 3 columns]