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Head First Python 第2版 ―頭とからだで覚えるPythonの基本
book

Head First Python 第2版 ―頭とからだで覚えるPythonの基本

by Paul Barry, 嶋田 健志, 木下 哲也
March 2018
Beginner to intermediate
624 pages
16h 10m
Japanese
O'Reilly Japan, Inc.
Content preview from Head First Python 第2版 ―頭とからだで覚えるPythonの基本
組み込みデータ構造をおさらいする
4
つの組み込みデータ構造を思い出してみましょう。リスト、辞書、集合、タプルの順に
おさらいします。
 シェルでデータ構造についての組み込み関数を使って空のデータ構造を作成し、各
データ構造にデータをいくつか代入してみましょう。代入したら内容を表示してみます。
>>> l = list()
>>> l
[]
>>> l = [ 1, 2, 3 ]
>>> l
[1, 2, 3]
 
>>> d = dict()
>>> d
{}
>>> d = { 'first': 1, 'second': 2, 'third': 3 }
>>> d
{'second': 2, 'third': 3, 'first': 1}
 
>>> s = set()
>>> s
set()
>>> s = {1, 2, 3}
>>> s
{1, 2, 3}
 
>>> t = tuple()
>>> t
()
>>> t = (1, 2,
3)
>>> t
(1, 2, 3)
4
章 コードの再利用
you are here
 
161
空の辞書
空の集合
空のタプル
組み込み関数
list
を使って
空のリストを定義し、
データを代入します。
組み込み関数
dict
を使って
空の辞書を定義し、データを
代入します。
組み込み関数
set
使って空の集合を定義し、
データを代入します。
組み込み関数
tuple
使って空のタプルを定義し、
データを代入します。
集合は
{}
で囲みます。
辞書も同じです。
空の辞書ですでに
{}
使っているので、空の
集合は
set()
と表現し
ます。
 先 ...
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Publisher Resources

ISBN: 9784873118291Other