Exercise

Gap years

The prize in economics was not added until 1969. There have also been many years for which prizes in one or more of the original categories were not awarded. Sorting first by reverse chronological order and second by alphabetical order of category, collect and format prize documents to produce one formatted entry per year listing categories missing for that year.

Instructions 1/3

XP

1
2
3

Construct a set original_categories of prize categories awarded in 1901.

Take Hint (-15 XP)