Remove the white spaces (trailing and leading) from the input variable
Return a list sorted by number of occurrences
Find the two-word state names
Omit columns averages from a matrix
Find the biggest empty box
Matrix which contains the values of an other matrix A at the given locations.
Whether the input is vector?
Justify the character string in center with proportional fonts
Determine whether the string elements are alphabatic or alphanumeric or numeric digit or the other catagories
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