Exerpad
Exercise 5 · Chapter: SetsRequired+50 XP

Add to Set

Start with an empty set. Read 5 items from input (some may be repeated). Print the number of unique items, then print each unique item sorted alphabetically.

Example: if you add apple, banana, apple, cherry, banana:

3
apple
banana
cherry
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3 available · costs 5 XP each
javascript

Output
Run your code to see the output here.