Python 垃圾回收机制详解

正文

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print 'init' , sys . getrefcount ( 11 ) - 1

a = 11

print 'after a=11' , sys . getrefcount ( 11 ) - 1

b = a

print 'after b=1' , sys . getrefcount ( 11 ) - 1

func ( 11 )

print 'after func(a)' , sys . getrefcount ( 11 ) - 1

list1 = [ a , 12 , 14 ]

print 'after list1=[a,12,14]' , sys . getrefcount ( 11 ) - 1

a = 12

print 'after a=12' , sys . getrefcount ( 11 ) - 1

del a

print 'after del a' ,

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