First clear solution for Non-unique Elements by maister - python coding challenges

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First solution in Clear category for Non-unique Elements by maister

checkio = lambda data: [item for item in data if data.count(item) > 1]

Feb. 20, 2026

Comments:

Orthomonalus on April 8, 2026, 5:09 p.m.
<p>This is the ultimate "one-liner" version of the non-unique elements problem. Good job!</p>

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