def update_thesis_information(self):
        """501 degree info - move subfields."""
        fields_501 = record_get_field_instances(self.record, '502')
        for idx, field in enumerate(fields_501):
            new_subs = []
            for key, value in field[0]:
                if key == 'a':
                    new_subs.append(('b', value))
                elif key == 'b':
                    new_subs.append(('c', value))
                elif key == 'c':
                    new_subs.append(('d', value))
                else:
                    new_subs.append((key, value))
            fields_501[idx] = field_swap_subfields(field, new_subs)
def update_thesis_information(self):
        """501 degree info - move subfields."""
        fields_501 = record_get_field_instances(self.record, '502')
        for idx, field in enumerate(fields_501):
            new_subs = []
            for key, value in field[0]:
                if key == 'a':
                    new_subs.append(('b', value))
                elif key == 'b':
                    new_subs.append(('c', value))
                elif key == 'c':
                    new_subs.append(('d', value))
                else:
                    new_subs.append((key, value))
            fields_501[idx] = field_swap_subfields(field, new_subs)
def update_thesis_information ( self ) : fields_501 = record_get_field_instances ( self . record , '502' ) for idx , field in enumerate ( fields_501 ) : new_subs = [ ] for key , value in field [ 0 ] : if key == 'a' : new_subs . append ( ( 'b' , value ) ) elif key == 'b' : new_subs . append ( ( 'c' , value ) ) elif key == 'c' : new_subs . append ( ( 'd' , value ) ) else : new_subs . append ( ( key , value ) ) fields_501 [ idx ] = field_swap_subfields ( field , new_subs )
501 degree info - move subfields.
501 degree info - move subfields .