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![Jessica Fowler](https://secure.gravatar.com/avatar/a0d355cb24cba846162b638037df790c?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Jessica Fowler
8,462 PointsTried almost everything!
Assuming we have created an index:
is_puppy = office_dogs.age <= 0 puppies = office_dogs[puppies]
Fill in the operator that will inverse the index so we can get the older dogs:
mature_dogs = office_dogs[___puppies]
1 Answer
![Steven Parker](https://uploads.teamtreehouse.com/production/profile-photos/969492/micro_tool_chess_set_2.jpg)
Steven Parker
230,688 PointsThe logical inversion operator is tilde ("~
").
Jessica Fowler
8,462 PointsJessica Fowler
8,462 PointsGoodness gracious thank you!
Steven Parker
230,688 PointsSteven Parker
230,688 PointsJessica Fowler — Glad to help. You can mark the question solved by choosing a "best answer".
And happy coding!