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CodeWars Python Solutions

Find The Parity Outlier

Definition

You are given an array (which will have a length of at least 3, but could be very large) containing integers. The array is either entirely comprised of odd integers or entirely comprised of even integers except for a single integer N. Write a method that takes the array as an argument and returns this "outlier" N.

Examples

[2, 4, 0, 100, 4, 11, 2602, 36]
Should return: 11 (the only odd number)

[160, 3, 1719, 19, 11, 13, -21]
Should return: 160 (the only even number)

Given Code

def find_outlier(integers):
    pass

Solution

def find_outlier(integers):
    odds = [i for i in integers if i % 2 != 0]
    evens = [i for i in integers if i % 2 == 0]
    return odds[0] if len(odds) == 1 else evens[0]

See on CodeWars.com