Are there black headphones or keyboards?
No, there is a keyboard but it is white.
     src        edge_attr  dst
0      0  to the right of    4
1      0  to the right of   23
2      1   to the left of   14
3      1  to the right of    3
4      1   to the left of   29
..   ...              ...  ...
105   33   to the left of   27
106   33  to the right of    1
107   33   to the left of   28
108   34   to the left of   20
109   34   to the left of   21

[110 rows x 3 columns]