Most common elements in a list (with ties)

most_common.py

def most_commons(List):
    """Return a new list with the most common elements
    in a list
    """
    from collections import Counter
    count = Counter(List)
    freq_list = count.values()
    max_cnt = max(freq_list)
    total = freq_list.count(max_cnt)
    most_commons = count.most_common(total)

    return [elem[0] for elem in most_commons]