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Created March 28, 2017 22:05
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recursively extracting unique elements in nested lists.
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recursion.py
def extract_unique_elements(a_list):
if isinstance(a_list, list) == False:
return {a_list}
uniq = []
for elt in range(len(a_list)):
if a_list[elt] not in uniq:
uniq.append(a_list[elt])
return extract_unique_elements(uniq)
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