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【Python】辞書から部分辞書の作製

Last updated at Posted at 2022-07-09

やりたいこと

ある辞書から、キー指定で一部の要素を抽出した辞書を作成したい。

具体的にはdic_motoからlist_keyを使ってdic_kekkaを作成する。

dic_moto = {'A':1, 'B':2, 'C':3}
list_key = ['A', 'B']
dic_kekka =  {'A':1, 'B':2}

方法

dic_moto  = {'A':1, 'B':2, 'C':3}
list_key  = ['A', 'B']
dic_kekka = {key:value for key, value in dic.items() if key in list_key}

おわりに

ググっても見つからなかったので、メモ代わりに。

辞書内包表記ができることを初めて知った。

他に良い方法があれば是非教えてください。

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