Practical Programming
An Introduction to Computer Science
Using Python 3
(Pragmatic Programmers)
(Pragmatic Bookshelf)
Paul Gries (著) Jennifer Campbell (著)
Jason Montojo (著) Lynn Beighley (編集)
開発環境
- OS X Mavericks - Apple(OS)
- Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
- Python 3.4 (プログラミング言語)
Practical Programming: An Introduction to Computer Science Using Python 3 (Pragmatic Programmers) (Paul Gries (著)、Jennifer Campbell (著)、Jason Montojo (著)、Lynn Beighley (編集)、Pragmatic Bookshelf)のChapter 9(Repeating Code Using Loops)、9.10(Exercises) 5.を解いてみる。
9.10(Exercises) 5.
コード(BBEdit)
sample5.py
#!/usr/bin/env python3 #-*- coding: utf-8 -*- def mysteryFunction(values): """ (list) -> list parameter is list of list. Return the list of list, each sublist is reversed. >>> mysteryFunction([[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]]) [[5, 4, 3, 2, 1], [10, 9, 8, 7, 6]] >>> mysteryFunction([[1, 2]]) [[2, 1]] >>> mysteryFunction([[1, 2], [1]]) [[2, 1], [1]] >>> mysteryFunction([[1], [1, 2]]) [[1], [2, 1]] """ result = [] for sublist in values: result.append([sublist[0]]) for i in sublist[1:]: result[-1].insert(0, i) return result if __name__ == '__main__': import doctest doctest.testmod()
入出力結果(Terminal, IPython)
$ ./sample5.py -v Trying: mysteryFunction([[1, 2, 3, 4, 5], [6, 7, 8, 9, 10]]) Expecting: [[5, 4, 3, 2, 1], [10, 9, 8, 7, 6]] ok Trying: mysteryFunction([[1, 2]]) Expecting: [[2, 1]] ok Trying: mysteryFunction([[1, 2], [1]]) Expecting: [[2, 1], [1]] ok Trying: mysteryFunction([[1], [1, 2]]) Expecting: [[1], [2, 1]] ok 1 items had no tests: __main__ 1 items passed all tests: 4 tests in __main__.mysteryFunction 4 tests in 2 items. 4 passed and 0 failed. Test passed. $
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