Looping help

[Wilson1218]

If day1, day2, ... are global variables, you can do

dayi = globals()['day{}'.format(i)] 
dayi.extend((yeild1, yeild2))

Obviously, a single day list would be better. You could define

day = [None, day1, day2, day3, day4, day5, day6, day7]
...
day[i].extend((yeild1, yeild2))

The 'day' things are lists, and I cannot use two dimensional lists in this task. I would also like to add that if I could somehow call a list name in a loop that would be great!
Example: Instead of day1, day2, day3 etc I would use something to the effect of day+ count_no