text: # -*- coding: utf-8 -*-
  """
  Created on Sun Dec  5 09:26:27 2021
  
  @author: Guruprasada Shridhar Hegde
  """
  from collections import Counter
  d1 = {'a': 100, 'b': 200, 'c':300}
  d2 = {'a': 300, 'b': 200, 'd':400}
  d = Counter(d1) + Counter(d2)
  print(d)
  
  