Covering some basic topics I haven't seen elsewhere on Cody.
Given a string with extra spaces in front and/or in back, return a 'centered' version of the string (e.g.: ' MATLAB' -> ' MATLAB ')
Problem is incorrectly specified, according to the cases. 'Centering' seems to mean leave at most two spaces to either side, but otherwise center in the usual sense?
I did not know this function... nice
Get the area codes from a list of phone numbers
First non-zero element in each column
MATCH THE STRINGS (2 CHAR) very easy
Back to basics 11 - Max Integer
Back to basics 22 - Rotate a matrix
Back to basics 14 - Keywords
Back to basics 6 - Column Vector
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