Python 3.1.1 (r311:74543, Aug 24 2009, 18:44:04) 
[GCC 4.0.1 (Apple Inc. build 5493)] on darwin
Type "copyright", "credits" or "license()" for more information.
>>> ================================ RESTART ================================
>>> 
>>> s1 = Storage(14)
>>> s2 = Storage(42)
>>> s1.getContents()
14
>>> s2.getContents()
42
>>> s1.swapWith(s2)
>>> s1.getContents()
42
>>> s2.getContents()
14
>>> s2.swapWith(s1)
>>> s1.getContents()
14
>>> s2.getContents()
42
>>> ================================ RESTART ================================
>>> 
>>> ss = createSS()
>>> ss.thesun
<__main__.Sun object at 0x110a6f0>
>>> ss.thesun.getMass()
10
>>> ================================ RESTART ================================
>>> 
>>> ss = createSS()
>>> ss.getMassOfSun()
10
>>>