Wos! Several different thoughts: An object using yield to return only the relevant pages, one at a time. Pop to remove the items from the list. A dictionary to map between the strings and the integers.
The dictionary was particularly unexpected. Eventually, I plan to change the string ports to device names. On the other hand, it looks like the only reason I have port numbers is to use as an index in things like this. After examining your suggestion, I realised that another thing I am interested in could be generalised: I want the complement of the set of ports in pages, given a universal set in tempList. Ignoring the break condition for the moment, and my problem with int(port)/str(port), would you have offered a different solution if I had asked for the relative complement of a small set? a= ['a','b','c'] b= ['b'] c= a-b #set theoretic difference, a\b, a.~b, ['a','c'] Steve. "Zentrader" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Does page count change? i.e. is it necessary to retrieve it in every > loop or > tempList = ['1','2','3','4','5','6','7','8'] > sampleList=[] > page_count = self.parent.GetPageCount() > <snipped> > for i in range(page_count): > > Also, once pagefound is set to True, all pages following will not be > appended to sampleList because it is not initialized to False under > the "for i in range(self.parent.GetPageCount())" loop. > > Finally, if I understand the logic and question correctly, you want > something like > tempList = ['1','2','3','4','5','6','7','8'] > sampleList=[] > page_count = self.parent.GetPageCount() > for port in tempList: > for i in range(page_count): > page=self.parent.GetPage(i) > if (hasattr(page, "port")) and (page.port != int(port)) : > sampleList.append(port) > > or perhaps (I'm not sure) > tempList = [1, 2, 3, 4, 5, 6, 7, 8] > sampleList=[] > page_count = self.parent.GetPageCount() > for i in range(page_count): > page=self.parent.GetPage(i) > if (hasattr(page, "port")) and (page.port not in tempList) : > sampleList.append(port) > HTH > -- http://mail.python.org/mailman/listinfo/python-list
