(self, creation_date)
Set the creation date of the story.

        Args:
            creation_date (str): string with the creation date of the story.
Set the creation date of the story.
Set the creation date of the story .
def set_creation_date(self, creation_date):
        """Set the creation date of the story.

        Args:
            creation_date (str): string with the creation date of the story.
        """
        if creation_date:
            self._creation_date = creation_date
def set_creation_date ( self , creation_date ) : if creation_date : self . _creation_date = creation_date