Course of Raku / Addendum 🆕 / Working with data / Lists, arrays, and hashes / Exercises

Merge two inventories

Problem

Two shops keep their stock in hashes: apples => 3, pears => 2 and apples => 4, plums => 5. Combine them into one, adding the quantities for keys that appear in both. Print the result sorted by key, as key: total pairs joined with commas.

Example

The program prints:

apples: 7, pears: 2, plums: 5

Solution

✅ See the solution

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