Python - Storing Collections of Data Using Lists(indexing(positive number, negative number), built-in functions(len, max))

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 8(Storing Collections of Data Using Lists)、8.9(Exercises) 5-a, b, c, d.を解いてみる。

8.9(Exercises) 5-a, b, c, d.

コード(BBEdit)

sample5.py

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

print('a.')
alkaline_earth_metals = [4, 12, 20, 38, 56, 88]
print(alkaline_earth_metals)

print('b.')
print(alkaline_earth_metals[5])
print(alkaline_earth_metals[-1])

print('c.')
print(len(alkaline_earth_metals))

print('d.')
print(max(alkaline_earth_metals))

入出力結果(Terminal, IPython)

$ ./sample5.py
a.
[4, 12, 20, 38, 56, 88]
b.
88
88
c.
6
d.
88
$