Lambda problems? - python coding challenges - Py.CheckiO

Lambda problems?

While using a lambda (lambda kv: kv[1], kv[0]), I got the error: NameError: global name 'kv' is not defined.

From: http://www.checkio.org/mission/most-wanted-letter/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/37.0.2062.120 Safari/537.36

Created at: 2014/10/01 15:21; Updated at: 2016/07/12 08:44

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