Python - Making Choices - A Boolean Type, Boolean Operators(and, not, or), expressions

Practical Programming
楽天ブックス(Kobo) 紀伊国屋書店(Kinoppy)

開発環境

• macOS Mojave - Apple (OS)
• Emacs (Text Editor)
• Windows 10 Pro (OS)
• Visual Studio Code (Text Editor)
• Python 3.7 (プログラミング言語)

Practical Programming: An Introduction to Computer Science Using Python 3.6 (Paul Gries(著)、Jennifer Campbell(著)、Jason Montojo(著)、Pragmatic Bookshelf)のChapter 5(Making Choices)、Exercises 2の解答を求めてみる。

コード

Python 3

#!/usr/bin/env python3
from unittest import TestCase, main


class MyTestCase(TestCase):
    def setUp(self):
        pass

    def tearDown(self):
        pass

    def test_a(self):
        def f(x, y):
            return x and y
        self.assertTrue(f(True, True))
        self.assertFalse(f(True, False))
        self.assertFalse(f(False, True))
        self.assertFalse(f(False, False))

    def test_b(self):
        def f(x, y):
            return not x
        self.assertFalse(f(True, True))
        self.assertFalse(f(True, False))
        self.assertTrue(f(False, True))
        self.assertTrue(f(False, False))

    def test_c(self):
        def f(x, y):
            return x or y
        self.assertTrue(f(True, True))
        self.assertTrue(f(True, False))
        self.assertTrue(f(False, True))
        self.assertFalse(f(False, False))


if __name__ == '__main__':
    main()

入出力結果(Bash、cmd.exe(コマンドプロンプト)、Terminal、Jupyter(IPython))

$ ./sample2.py
test_a (__main__.MyTestCase) ... ok
test_b (__main__.MyTestCase) ... ok
test_c (__main__.MyTestCase) ... ok

----------------------------------------------------------------------
Ran 3 tests in 0.000s

OK
$