class attributes and static methods，attributesmethods,class Critte
class attributes and static methods，attributesmethods,class Critte
class Critter(object): '''A virtual pet''' total = 0 def status(): print '\nThe total number of critters is', Critter.total status = staticmethod(status) def __init__(self, name): print 'A critter has been born!' self.name = name Critter.total += 1#mainprint 'Accessing the class attribute Critter.total:',print Critter.totalprint '\nCreating critters.'crit1 = Critter('critter 1')crit2 = Critter('critter 2')crit3 = Critter('critter 3')Critter.status()print '\nAccessing the class attribute through an object:',print crit1.total- Nested try and catch，nestedcatch,try: try:
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