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"""Simple script to show reference holding behavior. 
 
This is used by a companion test case. 
""" 
 
import gc 
 
class C(object): 
   def __del__(self): 
      pass 
      #print 'deleting object...'  # dbg 
 
if __name__ == '__main__': 
   c = C() 
 
   c_refs = gc.get_referrers(c) 
   ref_ids = list(map(id,c_refs)) 
 
   print('c referrers:',list(map(type,c_refs)))