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sethbunke/duplicate-values-in-array

Created May 25, 2017 01:05
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Identify duplicate values in an array
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duplicate-values-in-array
import collections
input = [1,2,3,2,1,5,6,5,5,5]
result = [item for item, count in collections.Counter(input).items() if count > 1]
print(result)
#[1, 2, 5]
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