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
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