python 2-3如何统计序列中元素的出现频度

from random import randint
data = [randint(1, 10) for _ in range(20)]
d = dict.fromkeys(data, 0)
d
for x in data:
… d[x] += 1
d

from collections import Counter
c = Counter(data)
c.most_common()
c.most_common(1)
c.most_common(2)
file = open(“/Users/dukelight/project/EasyPR/LICENSE”, “r”).read()
words = re.split(“\W+”, file)
wordsCounter = Counter(words)
wordsCounter.most_common(10)