Test if arguments of the function are all variables (workspace variables names).
Return 1 if yes, 0 if no.
For example :
length!! and not "not isempty"... good point!
Select every other element of a vector
Arrange Vector in descending order
Back to basics 19 - character types
Compute a dot product of two vectors x and y
Numbers spiral diagonals (Part 1)
Find my secret number
Magic is simple (for beginners)
Can you beat the lottery again (for hardcore coder) ?
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