Python Lambdas Explained [video]

May or may not be interesting, but:

    lambda x, y: pass

will throw a syntax error because pass[0] is a statement and the lambda form[1] expects an expression:

[0]: http://www.youtube.com/watch?v=Ov_y5kYJQSY [1]: http://www.youtube.com/watch?v=Ov_y5kYJQSY