Someone

import gc
print gc.collect()
print len(gc.get_objects())

def _getclass(ctr):
    class Foo(object):
        count = ctr

    return Foo()

results = []
for i in xrange(10000):
    results.append(_getclass(i))

results = None

print len(gc.get_objects())
print  gc.collect()
print len(gc.get_objects())