how to delete multiple elements from a list

[etsang at my-deja.com]

Hi,

I have a List X with N number of items in it. I have another List Y
which contains the postion of the elements to be deleted from List X.
I cannot do a for loop to delete that because for each iteration, List
X will be changed and there will be sliperage.

How can I delete all the items as specified by the positions in Y at
one time? Also both List X and List Y are known in run time only.
Thanks


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