def update_pagenumber(self):
        """300 page number."""
        pages = record_get_field_instances(self.record, '300')
        for field in pages:
            for idx, (key, value) in enumerate(field[0]):
                if key == 'a':
                    field[0][idx] = ('a', "{0} p".format(value))
def update_pagenumber(self):
        """300 page number."""
        pages = record_get_field_instances(self.record, '300')
        for field in pages:
            for idx, (key, value) in enumerate(field[0]):
                if key == 'a':
                    field[0][idx] = ('a', "{0} p".format(value))
def update_pagenumber ( self ) : pages = record_get_field_instances ( self . record , '300' ) for field in pages : for idx , ( key , value ) in enumerate ( field [ 0 ] ) : if key == 'a' : field [ 0 ] [ idx ] = ( 'a' , "{0} p" . format ( value ) )
300 page number.
300 page number .