Obtain the most frequent character.
If there is a tie between letters, return the first result alphabetically.
Additional test cases have been added.
Verify you 7th Test Suite.
Distance walked 2D
radius of a spherical planet
middleAsColumn: Return all but first and last element as a column vector
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
Add two numbers
Find the index of n in magic(n)
index of n^2 in magic(n)
interesting center of magic matrix
union without repitition
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