code: def verify(self, obj):
          
  
          if isinstance(obj, str):
              raise ValidationError("Object was not a list", reason="a string was passed instead of a list", object=obj)
  
          out_obj = []
          if self._min_length is not None and len(obj) < self._min_length:
              raise ValidationError("List was too short",
                                    reason="list length %d was less than the minimum %d" % (len(obj), self._min_length),
                                    min_length=self._min_length, actual_length=len(obj))
  
          if self._max_length is not None and len(obj) > self._max_length:
              raise ValidationError("List was too long",
                                    reason="list length %d was greater than the max %d" % (len(obj), self._max_length),
                                    min_length=self._max_length, actual_length=len(obj))
  
          for val in obj:
              out_obj.append(self._verifier.verify(val))
  
          return out_obj
docs: Verify that the object conforms to this verifier's schema
  
          Args:
              obj (object): A python object to verify
  
          Raises:
              ValidationError: If there is a problem verifying the dictionary, a
                  ValidationError is thrown with at least the reason key set indicating
                  the reason for the lack of validation.