Null and wrong parameter in front of the operation - python coding challenges - Py.CheckiO

Null and wrong parameter in front of the operation

I would like to give some feedback about ...

From: https://checkio.org/mission/boolean-algebra/solve/

HTTP_USER_AGENT:

Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0

I tried this code in pycharm and it worked, but on here is says null and has a u in front of the operation name.

Created at: 2016/04/10 04:57; Updated at: 2016/04/11 19:07

feedback

by:

Rating: 0 Sign up to vote

Fresh Awesome

6

11

3

You ClassRoom Demo is Ready With the new tool CheckiO ClassRoom, you will be able to analyze your students' progress, have your own leaderboard, change missions order on the map, and so on.