Python - Using Methods(function calling, evaluating sub expressions, order)

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 7(Using Methods)、7.6(Exercises) 8-a, b, c.を解いてみる。

7.6(Exercises) 8-a, b, c.

コード(BBEdit)

sample8.py

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

fruit = 'pineapple'

print('a.')
print(fruit.count('p'))                 # 3
print(fruit.find('p', 3))               # 5
print(fruit.find('p', fruit.count('p'))) # 5

print('b')
print(fruit.upper())                    # PINEAPPLE
print('PINEAPPLE'.swapcase())           # pineapple
print(fruit.count('pineapple'))         # 1
print(fruit.count(fruit.upper().swapcase())) # 1

print('b.')
print(fruit.swapcase())                 # PINEAPPLE
print(fruit.lower())                    # pineapple
print(fruit.replace('PINEAPPLE', 'pineapple')) # pineapple
print(fruit.replace(fruit.swapcase(), fruit.lower())) # pineapple

入出力結果(Terminal, IPython)

$ ./sample8.py
a.
3
5
5
b
PINEAPPLE
pineapple
1
1
b.
PINEAPPLE
pineapple
pineapple
pineapple
$