from collections import Counter
list = [1,2,3,5,8,9,8,5,2]
result = Counter(list)
print(result)
for key,value in result.items():
print(key,value)输出结果：
Counter({2: 2, 5: 2, 8: 2, 1: 1, 3: 1, 9: 1})
1 1
2 2
3 1
5 2
8 2
9 1
python list中某个元素出现的次数
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转载自blog.csdn.net/qq_15256443/article/details/89485729
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