Ben wrote: > Ah - I found out why I had cast it to a string. I had not, at that > point, worked out ho to pass the list by value rather than reference, > and so was casting to a string as a stopgap measure that I then forgot > about. Now the problem is fixed after this group told me how to pass a > list by value (by slicing the entire list) >
All argument passing is by reference. What you are calling "pass a list by value" is actually two steps: (1) make a copy of a list (2) pass a reference to the copy At the C implementation level, it's a (PyObject *) -- the address of the object. HTH, John -- http://mail.python.org/mailman/listinfo/python-list
