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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
リストの辞書に変換する
flights
辞書のデータを変換したら、本社は前ページの最後に説明したように変換してほ
しいとあなたに求めています。
値だったものが
キーになります。
キーだったものが値の
リストになります。
{'09:35AM': 'Freeport',
'09:55AM': 'West End',
'10:45AM': 'Treasure Cay',
'11:45AM': 'Rock Sound',
'12:00PM': 'Treasure Cay'
'05:00PM': 'Freeport',
'05:55PM': 'Rock Sound',
'07:00PM': 'West End' }
{'Freeport': ['09:35AM', '05:00PM'],
'Rock Sound': ['11:45AM', '05:55PM'],
'Treasure Cay': ['10:45AM'
, '12:00PM'],
'West End': ['09:55AM', '07:00PM']}
データラングリングについて考える
CSV
ファイルの生データから上の右側のようなリストの辞書に変換するには、作業が少し必
要です。すでに持っている知識を使って、これを解決する方法を考えてください。
 あなたが普通のプログラマであれば、
for
ループがここでも使えると思うでしょう。だって、
CSV
ファイルから生データを読み込んで
flights
辞書に格納するのにすでに
for
を使って
いるのですから。
よくある
f
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Publisher Resources

ISBN: 9784873118291Other