collections.Counterwith a list comprehension to count even and odd values in the list.
collections.Counter.most_common()to get the most common parity.
from collections import Counter def find_parity_outliers(nums): return [ x for x in nums if x % 2 != Counter([n % 2 for n in nums]).most_common() ]
find_parity_outliers([1, 2, 3, 4, 6]) # [1, 3]
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