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Pythonのデータ型まとめメモ

Last updated at Posted at 2020-04-27

まとめ

  • Iterable: for文で回せる
    • Iterator: len()できない
      • enumerate(), zip(), map(), filter()の戻り値
      • itertoolsで用意されている関数の戻り値
      • file object: open()の戻り値など
      • Generator: ジェネレータ式・関数の戻り値
    • Collection: len()できる
      • array.array
      • enum.Enum
      • Sequence: indexとsliceが使える
        • list
        • str
        • collections.deque
        • range()の戻り値
        • tuple
      • Set: 集合の演算が使える
        • set
        • frozenset
      • Mapping: keyとvalueが定義されている
        • dict
          • collections.defaultdict
          • collections.Counter
        • collections.ChainMap
  • Number
    • decimal.Decimal: 任意精度の浮動小数点数
    • Complex
      • complex
      • Real
        • fraction.Fraction
        • float
        • int
          • bool

参考

abc --- 抽象基底クラスなど

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