'Takes an array of ints and returns an integer formed
by adding all ints multiplied by the power of 10 of the current index
(1, 0, 0, 1) => (1 * 10**3) + (0 * 10**2) + (0 * 10**1) + (1 * 10**0) => 1001'

def _get_specificity_from_list(self, lst):

    return int(''.join(map(str, lst)))
