Convert the input sentence to upper case and replace all vowels with an underscore ('_')
Find state names that start with the letter N
Project Euler: Problem 2, Sum of even Fibonacci
Back to basics 14 - Keywords
Number of Horns on a unicorn!
Find the nearest integer
ASCII sum of phrases
Perimeter of a semicircle
Percentage of zeros in a matrix of only 1s and 0s
Repetition of matrices
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