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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
複雑なところは
Python
流に対応する
 内包表記の練習問題が終わったので、
>>>
プロンプトで試し、
fts
辞書を希望の形式に変換す
るために
fts
辞書のデータをどうするべきかを明らかにしましょう。
 コードを書く前に、必要な変換をもう一度確認してください。新しい辞書(右側)のキーは、
fts
辞書(左側)の値から取った重複のない目的地のリストになっています。
{'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']}
 上の
4
つの重複のない目的地の作成は簡単です。辞書
fts
のデータのすべての値には、
fts.
values
でアクセスし、その値を組み込み関数
set
に渡して重複を解消できます。重複のない
目的地を変数
dests
に格納しましょう。
fts
のすべての値を
取得して組み込み ...
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Publisher Resources

ISBN: 9784873118291Other