blkj

>>> def bibformat_mla(author,title,city,publisher,year):
...     print "%a" %author
...     print "%t" %title
...     print "%c" %city
...     print "%p" %publisher
...     print "%y" %year
...     print "%a.%t.%c/:%p,%y" %(author,title,city,publisher,year)
...
>>> bibformat_mla(author,title,city,publisher,year)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "<stdin>", line 2, in bibformat_mla
ValueError: unsupported format character 'a' (0x61) at index 1