397 B
397 B
Check Instructions (#2)
Modify Exercise 1 by making the function parameters nullable, writing the new functions as:
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fn(s: String?): String
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gn(d: Double?): Double
The starter code in main()
tests fn()
and gn()
.
This task doesn't contain automatic tests, so it's always marked as "Correct" when you run "Check". Please compare your solution with the one provided!