Iterator, modify data in loop body

[Thomas Rachel]

Am 13.09.2014 09:22 schrieb Chris Angelico:

> In that case, don't iterate over the list at all. Do something like this:
>
> while lst:
>      element = lst.pop(0)
>      # work with element
>      lst.append(new_element)

And if you don't like that, define a

def iter_pop(lst):
     while lst:
         yield lst.pop(0)

and you can do

     for element in iter_pop(lst):
         # work with element
         lst.append(new_element)


Thomas