Hello Giovanni, most of the time it does "the right thing". If you really need call by value, whatever type the argument is, you can (must) copy the argument yourself. The copy module provides the methods copy.copy() and copy.deepcopy() for this situation.
With best regards, Lars --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
