code: def find(self, value):
          
          value = str(value).lower()
          rtn_dict = RegistryDictionary()
          for key, item in self.items():
              if value in key.lower():
                  rtn_dict[key] = item
          return rtn_dict
docs: returns a dictionary of items based on the a lowercase search
  
          args:
              value: the value to search by