Removing items from a list in a loop

[Andrew Henshaw]

Thaddeus L. Olczyk wrote:
>I would like to remove a bunch of items from a list *efficiently*.
>Essentially  I would like to do this:
>
>   for x in list:
>        if Function(x):
>	list.remove(x)
>
...snip...
>Is there a safe way to iterate through a list and remove some items?
>
If you can negate the sense of Function(x) such that Function(x) returns
false when you want to remove x and true otherwise, then you can use the very
fast 'filter' built-in:

list= filter(Function, list)

-- 
Andy Henshaw