skull wrote: > Hi everybody, it is my first post in this newsgroup. > I am a newbie for python though I have several years development experience > in c++. > recently, I was stumped when I tried to del item of a list when iteration. > > here is the wrong way I did: > > lst = [1, 2, 3] > for i in lst: > print i > if i == 2: > lst.remove(i) > > the result is: > > 1 > 2 >>>> > > as you would see, '3' is missing. this problem is caused by 'lst.remove(i)'. > apparently, 'marked-and-sweep' is a solution to deal with this issue. > but I think there SHOULD BE more 'wise' trick. I want to get your help.
Quick solution: for i in lst[:] iterates over a copy. Reinhold -- http://mail.python.org/mailman/listinfo/python-list
