from collections import Counter  a = [1936, 2401, 2916, 4761, 9216, 9216, 9604, 9801]   c = Counter(a)  print(c.most_common(1)) # the one most common element... 2 would mean the 2 most common [(9216, 2)] # a set containing the element, and it's count in 'a'

Read more of this post