jwaixs wrote: > Hello, > > How can I disgrate (probably not a good word for it) a list? For > example: > > a = [1,2] > b = 3 > c = [a] + [b] # which makes [[1,2],3] > > Then how can I change c ([[1,2],3]) into [1,2,3]? I have a simple > function for this: > ======================== > def flatten(l): > r = [] > s = [l] > while len(s) > 0: > i = s.pop() > if i.__class__ == list: > for c in i: > s.append(c) > else: > r.append(i) > return r > ======================== > But this function isn't really doing it in the "python-way". Doesn't > have python an obscure function or buildin to do this?
No, it doesn't, but it's easy to roll one on your own, e.g. using a recursive generator; in fact, if you had searched for "flatten" in the google group of c.l.py, you'd find this: http://tinyurl.com/ndobk George -- http://mail.python.org/mailman/listinfo/python-list
