code: def is_mutating(status):
      
      if not status:
          return False
  
      mutating = set(['insert', 'update', 'delete', 'alter', 'create', 'drop',
                      'replace', 'truncate', 'load'])
      return status.split(None, 1)[0].lower() in mutating
docs: Determines if the statement is mutating based on the status.