docs: def assign(self, dict_name, key, value):
          """This assigns an input string to either a float or int and saves it in
          the config params as such"""
          if key in self.to_int:
              getattr(self, dict_name)[key] = int(value)
          elif key in self.to_float:
              getattr(self, dict_name)[key] = float(value)
          else:
              raise ValueError("""The param:value pair, {0}:{1}, has neither been
              identified as an int nor a float. Therefore, we are not able to save
              its value to any dictionary in the merParse class""".format(
                  key, value))