March 2021
Intermediate to advanced
800 pages
8h 35m
Japanese
Content preview from 入門 Python 3 第2版
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付録D復習課題の解答
D.1 1章 Pyの味見
1.1 まだ自分のコンピュータにPython 3をインストールしていない場合は、今ここでインストールしよう。各自のコンピュータでのインストール方法については、付録Bを参照してほしい。
1.2 Python 3の対話型インタプリタを起動しよう。これについても、詳しくは付録Bを参照してほしい。起動すると、インタプリタ自身についての情報を数行表示してから、>>>で始まる行が表示される。これがPythonコマンドを入力するためのプロンプトだ。
私のMacで対話型インタプリタを起動したときに表示される内容は、次の通りだ。
$ python Python 3.7.3 (v3.7.3:ef4ec6ed12, Mar 25 2019, 16:39:00) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin Type "help", "copyright", "credits" or "license" for more information. >>>
1.3 インタプリタをしばらくいじってみよう。電卓のように使うために、8 * 9と入力してほしい。Enterキーを押して結果を見よう。Pythonは72と表示するはずだ。
>>> 8 * 9
72
1.4 数値47を入力してEnterキーを押そう。次の行に47と表示されただろうか？
>>> 47
47
1.5 次に、print(47)と入力して、Enterキーを押そう。今回も、次の行に47と表示されただろうか？
>>> print(47)
47
D.2 2章 データ：型、値、変数、そして名前 ...
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