Python - Hello, Python(expressions, literal, assign, Exception(SyntaxErrors))

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 2(Hello, Python)、2.10-8.を解いてみる。

2.10-8.

コード(BBEdit)

入出力結果(Terminal, IPython)

$ ipython
Python 3.4.1 (default, May 21 2014, 01:39:38) 
Type "copyright", "credits" or "license" for more information.

IPython 2.1.0 -- An enhanced Interactive Python.
?         -> Introduction and overview of IPython's features.
%quickref -> Quick reference.
help      -> Python's own help system.
object?   -> Details about 'object', use 'object??' for extra details.

In [1]: 6 * -----------8 # -48
Out[1]: -48

In [2]: 8 = people # Exception
  File "<ipython-input-2-b6ac15b7ed0b>", line 1
    8 = people # Exception
                          ^
SyntaxError: can't assign to literal


In [3]: ((((4 ** 3)))) # 64
Out[3]: 64

In [4]: (-(-(-(-5)))) # 5
Out[4]: 5

In [5]: 4 += 7 / 2 # Exception
  File "<ipython-input-5-85ffaad33cc2>", line 1
    4 += 7 / 2 # Exception
                          ^
SyntaxError: can't assign to literal


In [6]: quit()
$