Just to clarify the problem statement: the objective of this problem seems to be to determine the number of unique vowels used in the given string.
Correct output for Laboratory is 3.
The Tower of Hanoi
Determine if input is a Narcissistic number
Divisors of an integer
Create an 'arrow-head" matrix
Integer or Float?
Generate binary combinations for a given number of bit(s)
Power The Product
Make combination of two given matrices.
BULLSEYE Part 2: Reference Problem 18 BULLSEYE
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