> > > On Mar 17, 1:31 pm, Duncan Booth <[EMAIL PROTECTED]> wrote: > > > >> A common explanation for this is that lists are for homogenous > > >> collections, tuples are for when you have heterogenous collections i.e. > > >> related but different things. > > > > I interpret this as meaning that in a data table, I should have a list > > > of records but each record should be a tuple of fields, since the > > > fields for a table usually have different forms whereas the records > > > usually all have the same record layout. > > >>> b in b > False
That's actually interesting. >>> a= [] >>> a.append( a ) >>> a [[...]] >>> a in a Traceback (most recent call last): File "<stdin>", line 1, in <module> RuntimeError: maximum recursion depth exceeded in cmp -- http://mail.python.org/mailman/listinfo/python-list