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tanaikech/file0.txt

Created October 21, 2016 03:35
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Pythonでリスト内要素を要素、重複数として重複数でソートして出力 ref: http://qiita.com/tanaike/items/5a94e9bb1154d1caefca
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file0.txt
data = ['a', 'b', 'c', 'd', 'b', 'c', 'd', 'b', 'c', 'b']
result = sorted({i: data.count(i) for i in set(data)}.items(), key=lambda x: x[1], reverse=True)
print(result)
>>> [('b', 4), ('c', 3), ('d', 2), ('a', 1)]
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