Python method to call the EXPAND procedure

        Documentation link:
        https://go.documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=etsug&docsetTarget=etsug_expand_syntax.htm&locale=en

        :param data: SASdata object or string. This parameter is required.
        :parm by: The by variable can be a string or list type.
        :parm convert: The convert variable can only be a string type.
        :parm id: The id variable can be a string or list type.
        :parm procopts: The procopts variable is a generic option available for advanced use. It can only be a string type.
        :parm stmtpassthrough: The stmtpassthrough variable is a generic option available for advanced use. It can only be a string type.
        :return: SAS Result Object

def expand(self, data: ['SASdata', str] = None,
               by: [str, list] = None,
               convert: str = None,
               id: [str, list] = None,
               procopts: str = None,
               stmtpassthrough: str = None,
               **kwargs: dict) -> 'SASresults':
        """
        Python method to call the EXPAND procedure

        Documentation link:
        https://go.documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=etsug&docsetTarget=etsug_expand_syntax.htm&locale=en

        :param data: SASdata object or string. This parameter is required.
        :parm by: The by variable can be a string or list type.
        :parm convert: The convert variable can only be a string type.
        :parm id: The id variable can be a string or list type.
        :parm procopts: The procopts variable is a generic option available for advanced use. It can only be a string type.
        :parm stmtpassthrough: The stmtpassthrough variable is a generic option available for advanced use. It can only be a string type.
        :return: SAS Result Object
        """