Antoon Pardon wrote: > The problem is like the following. > > def f(var=1): > return var*2 > > def g(): > arg = None > try: > arg = Try_Processing() / 3 + 1 > except Nothing_To_Process: > pass > if arg is None: > return f() > else: > return f(arg) > > Now in this case you could start by assigning arg the value 1 and > eliminate the if test. However that only works if you know the > default value for the argument. What he seems to be asking for > is if there is an object, (let as call it Default), that would > make code like: > > def f(var=1): > > Equivallent to: > > def f(var=Default) > if var is Default) > var = 1 > > So that we could write the following without the need of the > f's default value. > > def g(): > arg = Default > try: > arg = Try_Processing() / 3 + 1 > except Nothing_To_Process: > pass > f(arg) > > -- > Antoon Pardon
Exactly. Thanks for helping out. -- http://mail.python.org/mailman/listinfo/python-list