def comp(array1, array2):
    if array1 and array2:
        return sorted([x*x for x in array1]) == sorted(array2)
    return array1 == array2 == []

def comp2(array1, array2):
    if array1 and array2:
        return sorted([x*x for x in array1]) == sorted(array2)
    return array1 == array2 == []
