from random import randint

# 生成包含重復元素的隨機序列
nums = [randint(0, 10) for num in range(20)]

# 元素出現次數的統計最終肯定是一個字典，因此可以以元素的Key，出現的次數為Value
count = dict.fromkeys(nums, 0)

# 統計頻次
for num in nums:
    count[num] += 1

# 排序方案一
# 根據Value進行排序
_count = sorted(count.values())
# 獲取最大的次數
max = _count.pop()
keys = []

# 根據Value獲取Key
for k, v in count.items():
    if v == max:
        keys.append(k)


if __name__ == '__main__':

    print(nums)
    print(count)
    print(_count)
    print(max)
    print(keys)

# 排序方案二
from collections import Counter
_count = Counter(count)

# 中間代碼不變

if __name__ == '__main__':

    print(nums)
    print(count)
    print(_count)
    print(_count.most_common())
    # 獲取出現頻次最高的三個元素
    print(_count.most_common(3))

import re
from collections import Counter

zen = open('zen.txt').read()
# 分割所有單詞
zen = re.split('\W+', zen)
# print(zen)

_zen = Counter(zen)
print(_zen)
_zen_3 = _zen.most_common(3)
print('前三個出現頻次最高的詞：', _zen_3)