Python - Using Methods(str class(upper method, lower method, swapcase method, isupper method, count method, endswith method, startswith method, format method))

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) 1-a, b, c, d, e, f, g, h, i.を解いてみる。

7.6(Exercises) 1-a, b, c, d, e, f, g, h, i.

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]: 'hello'.upper() # 'HELLO'
Out[1]: 'HELLO'

In [2]: 'Happy Birthday'!'.lower() # 'happy birthday!'
  File "<ipython-input-2-c9bc3c165c03>", line 1
    'Happy Birthday'!'.lower() # 'happy birthday!'
                    ^
SyntaxError: invalid syntax


In [3]: quit()
macbook-pro:ch7 kamimura$ 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]: 'hello'.upper() # 'HELLO'
Out[1]: 'HELLO'

In [2]: 'Happy Birthday!'.lower() # 'happy birthday!'
Out[2]: 'happy birthday!'

In [3]: 'WeeeEEEEeeeEEEEeee'.swapcase() # 'wEEEeeeeEEEeeee'
Out[3]: 'wEEEeeeeEEEeeeeEEE'

In [4]: 'ABC123'.isupper() # True
Out[4]: True

In [5]: 'aeiouAEIOU'.count('a') # 1
Out[5]: 1

In [6]: 'hello'.endswith('o') # True
Out[6]: True

In [7]: 'hello'.startswith('H') # False
Out[7]: False

In [8]: 'Hello {0}'.format('Python') # 'Hello Python'
Out[8]: 'Hello Python'

In [9]: 'Hello {0}! Hello {1}!'.format('Python', 'World') # Hello Python! Hello World!'
Out[9]: 'Hello Python! Hello World!'

In [10]: quit()
$