"CrateringLesson.ipynb": JSON formatting is corrupted

[eb-mars]

Need to fix "CrateringLesson.ipynb" (jupyter notebook) as it can't run: says the JSON formatting is corrupted. Not sure where the errors are.

[eb-mars]

This thread may help solve: https://stackoverflow.com/questions/32103772/unreadable-notebook-notjsonerrornotebook-does-not-appear-to-be-json-u-n

"An easy way to check errors in json structure is open the jupyter notebook in vs code and click in "Accept changes" for all highlighted errors. Save and then open the nb again as usual "