How are arguments passed by value or by reference?

[richards12 (jhon richards)]

Hi, I need to know How are arguments passed by value or by reference

[tiran (Christian Heimes)]

Python does neither use pass by value nor pass by reference. It passes arguments by object.

[kpfleming (Kevin P. Fleming)]

There are also extensive threads on this topic on Stack Overflow and elsewhere which are quite informative; it might be worth your time to search for them.