Hi Dom In your original post you used your proposed addition to write code that provides a way of handling defaults different from the standard mechanism, and perhaps in your opinion better.
The following example tells us something about defaults mechanism already provided by Python: >>> def f(a, b=1, c=2): return a, b, c ... >>> f(0) (0, 1, 2) >>> f.__defaults__ (1, 2) >>> f.__defaults__ = (0, 1, 2) >>> f() (0, 1, 2) >>> f.__defaults__ = (2, 1, 0) >>> f() (2, 1, 0) I am suspicious of your example in your original post because it does not explicitly consider the possibilities already provided by Python for changing default values on the fly. I hope this helps. Jonathan
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