Given the input x, return 1 if x is vector or else 0.
There is a mistake in your test suite test 3.
Please correct it.
Hi, No mistake in test suit 3, a vector can be a column vector or row vector.
Get the area codes from a list of phone numbers
Flag largest magnitude swings as they occur
Sum the elements in either diagonal of a square matrix
Duplicate a character
Justify the character string in center with proportional fonts
Remove white space from the string
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