Python - Making Choices(bool(and, or, not), parentheses)

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 5(Making Choices)、5.6(Exercises) 3.を解いてみる。

5.6(Exercises) 3.

コード(BBEdit)

sample3.py

#!/usr/bin/env python3
#-*- coding: utf-8 -*-

for full, empty in [(x, y) for x in (True, False) for y in (True, False)]:
    print('full = {0}, empty = {1}: {2}'.format(
        full, empty, (full and not empty) or (not full and empty)))

入出力結果(Terminal, IPython)

$ ./sample3.py 
full = True, empty = True: False
full = True, empty = False: True
full = False, empty = True: True
full = False, empty = False: False
$