greg ewing lwbwyflqtcanterburyacnz thomas wouters wrote think collecting potentially evergrowing list results really right thing cases perhaps one able write yield treated kind list comprehension greg _______________________________________________ python3000 mailing list smsbmo9552pythonorg httpmailpythonorgmailmanlistinfopython3000 unsubscribe httpmailpythonorgmailmanoptionspython3000python300040tangomucom wed 06 aug 2008 204301 1200 python3000 using packing lists places