CODE EXAMPLE FOR PYTHON

.counter python

import collections

number = [0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1]
collections.Counter(number)

#output
#Counter({0: 12, 1: 9})