what have I done wrong? - python coding challenges

what have I done wrong?

Question related to mission Median

I've tried this a few ways but keep getting an error I do not understand. I am not trying to use a float as a list index, but that is the error I keep getting. The code works fine in the python environment I have set up on my PC.

Created at: 2014/01/26 19:24; Updated at: 2014/11/19 01:51

task.median

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