Remove all trailing white spaces at the end of the input strings
Find common elements in matrix rows
Test for balanced parentheses
Back to basics 25 - Valid variable names
Return area of square
Divisible by 5
Basics: counting digits of a number irrespective of the sign
Capitalized string operations
Return median of a matrix
Nth root of a number
find number of times of occurrence of the most frequent number in a row vector
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