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filter_unique python Code Snippet in 2022

listbeginner

Last Updated: 27 November 2022

Creates a list with the unique values filtered out.

  • Use collections.Counter to get the count of each value in the list.
  • Use a list comprehension to create a list containing only the non-unique values.
from collections import Counter def filter_unique(lst): return [item for item, count in Counter(lst).items() if count > 1]
filter_unique([1, 2, 2, 3, 4, 4, 5]) # [2, 4]

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