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Python - List of Files: Functions, Modules and Files - remove method 1

Head First Python: A Learner’s Guide to the Fundamentals of Python Programming, A Brain-Friendly GuidePaul Barry(著)、 O’Reilly Mediaの Chapter 4.(List of Files: Functions, Modules and Files)、EXERCISE(226/682)の解答を求めてみる。

Jupyter(コード、入出力結果)

Times.ipynb

swim_files.remove('.DS_Store')
sorted(swim_files)
['Abi-10-100m-Back.txt',
 'Abi-10-100m-Breast.txt',
 'Abi-10-50m-Back.txt',
 'Abi-10-50m-Breast.txt',
 'Abi-10-50m-Free.txt',
 'Ali-12-100m-Back.txt',
 'Ali-12-100m-Free.txt',
 'Alison-14-100m-Breast.txt',
 'Alison-14-100m-Free.txt',
 'Aurora-13-50m-Free.txt',
 'Bill-18-100m-Back.txt',
 'Bill-18-200m-Back.txt',
 'Blake-15-100m-Back.txt',
 'Blake-15-100m-Fly.txt',
 'Blake-15-100m-Free.txt',
 'Calvin-9-50m-Back.txt',
 'Calvin-9-50m-Fly.txt',
 'Calvin-9-50m-Free.txt',
 'Carl-15-100m-Back.txt',
 'Chris-17-100m-Back.txt',
 'Chris-17-100m-Breast.txt',
 'Darius-13-100m-Back.txt',
 'Darius-13-100m-Breast.txt',
 'Darius-13-100m-Fly.txt',
 'Darius-13-200m-IM.txt',
 'Dave-17-100m-Free.txt',
 'Dave-17-200m-Back.txt',
 'Elba-14-100m-Free.txt',
 'Emma-13-100m-Breast.txt',
 'Emma-13-100m-Free.txt',
 'Erika-15-100m-Breast.txt',
 'Erika-15-100m-Free.txt',
 'Erika-15-200m-Breast.txt',
 'Hannah-13-100m-Back.txt',
 'Hannah-13-100m-Free.txt',
 'Katie-9-100m-Back.txt',
 'Katie-9-100m-Breast.txt',
 'Katie-9-100m-Free.txt',
 'Katie-9-50m-Back.txt',
 'Katie-9-50m-Breast.txt',
 'Katie-9-50m-Fly.txt',
 'Katie-9-50m-Free.txt',
 'Lizzie-14-100m-Back.txt',
 'Lizzie-14-100m-Free.txt',
 'Maria-9-50m-Free.txt',
 'Mike-15-100m-Back.txt',
 'Mike-15-100m-Fly.txt',
 'Mike-15-100m-Free.txt',
 'Mike-15-200m-Free.txt',
 'Mike-15-200m-IM.txt',
 'Owen-15-100m-Free.txt',
 'Ruth-13-100m-Back.txt',
 'Ruth-13-100m-Free.txt',
 'Ruth-13-200m-Back.txt',
 'Ruth-13-200m-Free.txt',
 'Ruth-13-400m-Free.txt',
 'Tasmin-15-100m-Back.txt',
 'Tasmin-15-100m-Breast.txt',
 'Tasmin-15-100m-Free.txt',
 'Tasmin-15-200m-Breast.txt']