code: def match(self, row):
          
          if row[self._field] in self._values:
              return True
  
          for condition in self._conditions:
              if condition.match(row):
                  return True
  
          return False
docs: Returns True if the field is in the list of conditions. Returns False otherwise.
  
          :param dict row: The row.
  
          :rtype: bool