Could someone tell me what the difference is between the following 2 ?? [1] class test: def __init__(self): self.__dict__['LastName']="" <===== [2] class test: def __init__(self): self.LastName="" <====== ============================================ ~~ Be like water, be shapeless ~~ Runsun Pan, PhD, 773-834-3965 Ecology & Evolution, U of Chicago =============================================