how to delete multiple elements from a list

Mikael Olofsson mikael at isy.liu.se
Tue Nov 21 08:36:49 CET 2000


On 14-Nov-00 etsang at my-deja.com wrote:
 >  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.

You _can_ do that with a loop. Just make sure that you have Y in reverse
order.

Y.sort()
Y.reverse()
for y in Y:
  del X[y]

 >  How can I delete all the items as specified by the positions in Y at
 >  one time? 

I will leave that one to someone else.

HTH

/Mikael

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