On Wed, Mar 08, 2017 at 08:29:19PM -0800, Alex Kleider wrote: > The algorithm I came up with is: > def make_sublists_of_duplicates(original_list): > frequency_counter = {} > for item in original_list: > _ = frequency_counter.setdefault(item, 0) > frequency_counter[item] += 1 > res = [] > for key in frequency_counter: > res.append([key for i in range(frequency_counter[key])]) > return res > > although I would argue that the creation of the frequency_counter should > be in its own function
Indeed it should, and that function already exists. It is called collections.Counter. from collections import Counter frequencies = Counter(original_list) -- Steve _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor