<s> """<STR_LIT>""" <EOL> class A ( object ) : <EOL> pass <EOL> class B ( object ) : <EOL> def __del__ ( self ) : <EOL> print '<STR_LIT>' <EOL> del D . __missing__ <EOL> class D ( dict ) : <EOL> class __missing__ : <EOL> def __init__ ( self , * args ) : <EOL> pass <EOL> d = D ( ) <EOL> a = A ( ) <EOL> a . cycle = a <EOL> a . other = B ( ) <EOL> del a <EOL> prev = None <EOL> while <NUM_LIT:1> : <EOL> d [ <NUM_LIT:5> ] <EOL> prev = ( prev , ) </s>
