Are there any black rackets?
Yes, there is a black racket.
     src        edge_attr  dst
0      0  to the right of   27
1      0   to the left of   25
2      0   to the left of   28
3      0  to the right of   14
4      0  to the right of    9
..   ...              ...  ...
283   41   to the left of   25
284   41  to the right of   19
285   41   to the left of   40
286   41   to the left of   29
287   41   to the left of    5

[288 rows x 3 columns]