屑俺日記

僕の備忘録(PC、UN*X、ネットワーク関連が中心)なんです。
自分の書いたところは適当(な時とか)に書き換えますので御了承を。

$ python
Python 2.6.2 (r262:71600, Aug 23 2009, 21:31:53)
[GCC 4.2.4] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> dir()
['Ks', '__builtins__', '__doc__', '__name__', '__package__',
 'key', 'rec', 'red', 'squares', 'x']
>>> dir(red)
['__add__', '__class__', '__contains__', '__delattr__',
 '__delitem__', '__delslice__', '__doc__', '__eq__', 
 '__format__', '__ge__', '__getattribute__', '__getitem__', 
 '__getslice__', '__gt__', '__hash__', '__iadd__', '__imul__', 
 '__init__', '__iter__', '__le__', '__len__', '__lt__', 
 '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__',
 '__repr__', '__reversed__', '__rmul__', '__setattr__', 
 '__setitem__', '__setslice__', '__sizeof__', '__str__', 
 '__subclasshook__', 'append', 'count', 'extend', 'index', 
 'insert', 'pop', 'remove', 'reverse', 'sort']
>>> dir(red.sort)
['__call__', '__class__', '__cmp__', '__delattr__', '__doc__',
 '__eq__', '__format__', '__ge__', '__getattribute__',
 '__gt__', '__hash__', '__init__', '__le__', '__lt__', 
 '__module__', '__name__', '__ne__', '__new__', '__reduce__',
 '__reduce_ex__', '__repr__', '__self__', '__setattr__',
 '__sizeof__', '__str__', '__subclasshook__']

>>> print round (145.454545, -2)
100.0
>>> print round (145.454545, -1)
150.0
>>> print round (145.454545, -0)
145.0
>>> print round (145.454545, 1)
145.5
>>> print round (145.454545, 2)
145.45
>>> print round (145.454545, 3)

リンクはご自由にどうぞ。でもURLや内容が変った場合はあしからず。

index.htmlは ここから。