> I saw the following example at > http://nafiulis.me/potential-pythonic-pitfalls.html#using-mutable-default-arguments > and did not believe the output produced and had to try it for myself....
Pylint (and perhaps other Python "linters") would, I think, warn you that you were using a mutable object as a default. It's more obvious that the list is being reused if you call foo with different values each time. Skip -- https://mail.python.org/mailman/listinfo/python-list
