Helicopters Escapes Project Help - Attempts all have +2

I have reviewed the solutions to this project but my solution to the attempts per year all have +2. I’ve reviewed my code several times but I cannot find my error. Can someone please point out what I am missing?

Basics.ipynb (89.3 KB)

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Hi @watleresteban,

Have you already rerun all the cells by going to Run and Run All Cells?

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That was the issue. Thank you for your response!