Python tricks and tips Flatten a list Code snippet to copy: import itertools a = [[1, 2], [3, 4], [5, 6]] b = list(itertools.chain.from_iterable(a)) print(b)

Python tricks and tips Analyzing the most frequent on the list Code snippet to copy: a = [1, 2, 3, 4, 2, 2, 3, 1, 4, 4, 4] print(max(set(a), key = a.count))