[Python-bugs-list] Iterator doesn't re-evaluate with a dynamically resizing list (PR#178)

[tim_one@email.msn.com]

[Sean Jensen-Grey, mutating a list while iterating over it]
> ...
> # is this expected behavior?

Yes indeed.  See the Language Reference Manual, section "The 'for'
statement".

Change, e.g.,

    for x in l_sync:

to

    for x in l_sync[:]:

if that's not the behavior you want.