parameters: (self)
return_statement: return self._valid
docstring: Return True if cron expression is validate, else False
docstring_summary: Return True if cron expression is validate, else False
docstring_tokens: Return True if cron expression is validate else False
function: def isValidate(self):
          """
          Return True if cron expression is validate, else False
          """
          return self._valid
function_tokens: def isValidate ( self ) : return self . _valid