adding for loop exercise to _extras/extra_exercises.md

[nathaliagg]

I added lines 293-318, which were deleted from the 02-lists lesson, to the end of _extras/extra_exercises.md.

[maxim-belkin]

Wow, I missed this pull request completely! My apologies! Going to look into it now.

[maxim-belkin]

This PR has all the changes introduced in #563 and addresses my request-for-changes, so I closed #563.

[nathaliagg]

@maxim-belkin, I will get to this! I apologize for the delay.

On Tue, Oct 16, 2018 at 6:50 PM Maxim Belkin ***@***.***> wrote: ***@***.**** commented on this pull request. ------------------------------ In _episodes/02-lists.md <#567 (comment)> : > @@ -20,8 +20,7 @@ list[2:9]), in the same way as strings and arrays." - "Strings are immutable (i.e., the characters in them cannot be changed)." --- -Just as a `for` loop is a way to do operations many times, -a list is a way to store many values. +A list is a way to store many values. A gentle ping, @ngrafgr <https://github.com/ngrafgr>! — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#567 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AOQXIR-eZOvLtkEeQBiUvQdjr2Qfy0fUks5ulmKYgaJpZM4VT4pG> .

-- Nathalia Graf Grachet Graduate Research Assistant Department of Entomology & Plant Pathology Oklahoma State University 127 Noble Research Center Stillwater, OK 74078 (405) 334-1746 ngrafgr@okstate.edu <ngrafgr@okstate.edu>

[maxim-belkin]

Thanks, @ngrafgr! The changes look good to me (a have a few minor stylistics comments but I'll keep them to myself to speed up the merge :))!
I'd like to invite @ldko to review the changes... Lauren, this PR is part of an ongoing effort to switch the order of the episodes on lists and for loops, so these changes will not appear in the episodes immediately upon the merge.

[ldko]

I think this is great how the episode has been changed here to reference the overall goal of the lesson to analyze all the inflammation data in an automated fashion. I think the phrase "one code" could be confusing and the wording could benefit from specifying that the files are the inflammation data files. Also, I think the "automated code" phrase may be used more times than needed here. @ngrafgr and @maxim-belkin sorry, I am about to board a plane and will have limited Internet access the next couple days, so please don't wait on me for further review here. I think the design of these changes are good--just needs a bit of word tweaking, so perhaps @maxim-belkin can make further suggestions.

[maxim-belkin]

Thanks, @annefou!

Thanks, @ldko! I'll make some changes and merge it after that.

[maxim-belkin]

Thank you, @ngrafgr! Thank you, @ldko! Thank you, @annefou!