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First solution in Clear category for Sort Array by Element Frequency by ssk8
from collections import Counter
def frequency_sort(items):
freq, sorted_items = Counter(items), []
for item in items:
if item not in sorted_items and freq[item] == max(freq.values()):
sorted_items.extend([item]*freq[item])
del freq[item]
return sorted_items
Dec. 26, 2018
