hints module not found

In the module '01_Basic_Prompt_Structure.ipynb', the cell with this command fails because it can't 'hints'.

from hints import exercise_1_1_hint; print(exercise_1_1_hint)

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ModuleNotFoundError Traceback (most recent call last)
[/tmp/ipython-input-3831002738.py](https://colab.research.google.com/drive/1nMjoR8cDUnfxRoTOyOjGihAfCASwW6ot#) in ()
----> 1 from hints import exercise_1_1_hint; print(exercise_1_1_hint)

ModuleNotFoundError: No module named 'hints'

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