def _get_description(string):
ann = set()<EOL>if not string:<EOL><INDENT>return "<STR_LIT>"<EOL><DEDENT>for item in string:<EOL><INDENT>for db in item:<EOL><INDENT>ann = ann.union(set(item[db]))<EOL><DEDENT><DEDENT>return "<STR_LIT>" % "<STR_LIT:U+002C>".join(list(ann)[:<NUM_LIT:3>])<EOL>
Parse annotation to get nice description