Python - Types and Operations(The Dynamic Typing Interlude(list, reference, slicing, copy module(copy method)))

Learning Python
(Oreilly & Associates Inc)
Mark Lutz (著)
(邦訳版)

開発環境

• OS X Mavericks - Apple(OS)
• Emacs (CUI)、BBEdit - Bare Bones Software, Inc. (GUI) (Text Editor)
• Python (プログラミング言語)

Learning Python (Mark Lutz (著)、Oreilly & Associates Inc)のPART Ⅱ.(Types and Operations)、Chapter 6.(The Dynamic Typing Interlude)、Test Your Knowledge: Quiz 3.を解いてみる。

その他参考書籍

• Pythonチュートリアル 第2版
• Python クックブック 第2版 (原書(最新版))

Test Your Knowledge: Quiz 3.

コード(BBEdit)

sample3.py

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

A = ["spam"]

B = A

print(A, B)                             # ["spam"], ["spam"]

B[0] = "shrubbery"

print(A, B)                             # ["shrubbery"] ["shrubbery]

入出力結果(Terminal, IPython)

$ ./sample3.py
['spam'] ['spam']
['spam'] ['shrubbery']
['spam'] ['spam']
['spam'] ['shrubbery']
$