Rick Giuly <[EMAIL PROTECTED]> writes: > Hello All,
Hello, > Why is python designed so that b and c (according to code below) > actually share the same list object? It seems more natural to me that > each object would be created with a new list object in the points > variable. > > class Blob: > def __init__(self, points=[]): > self._points = points > > > b = Blob() > c = Blob() > > b._points.append(1) > c._points.append(2) > > print b._points > > # this will show that b._points is the same object as c._points This is probably the MFAQ (Most FAQ)! Have a look in http://www.python.org/doc/faq/ (I can't point at the question as my internet pipes to the US are very rusty this morning) HTH -- Arnaud -- http://mail.python.org/mailman/listinfo/python-list