%matplotlib inline
import gc
import matplotlib.pyplot as plt
len(gc.get_objects())
40604
plt.hist([1,2])
(array([ 1., 0., 0., 0., 0., 0., 0., 0., 0., 1.]), array([ 1. , 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2. ]), <a list of 10 Patch objects>)
len(gc.get_objects())
44801
gc.collect()
0