code: def merge_dicts(a, b):
      
      anyconfig.merge(a, b, ac_merge=MERGE_STRATEGY)
  
      return a
docs: Merges the values of B into A and returns a mutated dict A.
  
      ::
  
          dict a
  
          b:
             - c: 0
             - c: 2
          d:
             e: "aaa"
             f: 3
  
          dict b
  
          a: 1
          b:
             - c: 3
          d:
             e: "bbb"
  
      Will give an object such as::
  
          {'a': 1, 'b': [{'c': 3}], 'd': {'e': "bbb", 'f': 3}}
  
  
      :param a: the target dictionary
      :param b: the dictionary to import
      :return: dict