<filename>7_kyu/Odd_or_Even.py
def oddOrEven(arr):
    return "odd" if sum( x & 1 for x in arr ) & 1 else "even"
<filename>7_kyu/Odd_or_Even.py
def oddOrEven(arr):
    return "odd" if sum( x & 1 for x in arr ) & 1 else "even"