频繁标记算法

for k, v in contents.items():
       print(k,'------------',v)
       frequent_token = tuple(sorted(vocab.topk_tokens(v[0].split(), 3)))
       print(frequent_token)

0 ------------ ('LDAP Built with OpenLDAP LDAP / SDK', '/:=@')
('Built', 'LDAP', 'OpenLDAP')

1 ------------ ('LDAP SSL support unavailable', ':')
('LDAP', 'SSL', 'support')

2 ------------ ('suEXEC mechanism enabled lili wrapper /usr/sbin/suexec', '()/:')
('lili', 'mechanism', 'wrapper')

3 ------------ ('Digest generating secret for digest authentication ...', '.:')
('Digest', 'digest', 'for')

4 ------------ ('Digest done', ':')
('Digest', 'done')

5 ------------ ('LDAP Built with OpenLDAP LMAP SDK', ':')
('Built', 'LDAP', 'OpenLDAP')

6 ------------ ('LDAP SSL support available', ':')
('LDAP', 'SSL', 'support')

7 ------------ ('Factory error creating channel.jni jni channel.jni jni', '().:')
('channel.jni', 'error', 'jni')

8 ------------ ("config.update Can't create avalibe hannel.jni jni", "'().:")
('avalibe', 'create', 'jni')