# -*- coding: utf-8 -*-
"""
Created on Mon Mar  1 12:12:20 2021

@author: MGB
"""

a = 42 # Create object <42>
b = a # Increase ref. count of <42>
c = [a] # Increase ref. count of <42>

del a # Decrease ref. count of <42>
b = 100 # Decrease ref. count of <42>
c[0] = -1 # Decrease ref. count of <42>

