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A useful tip I picked up was to use
iiinstead ofjfor an inner loop. It's far more distinct thanj.If for some terrible reason you have even more inner loops you can easily continue the trend
i,ii,iii,iiii,iiiii- oriv,vif you're feeling romanIf you have the need to nest 5 levels of for-loops, I suggest taking a step back and rethinking your approach, my friend.
Even if that other approach is just refactoring it into separate methods.
I just do i2, i3, etc
Becomes unreadable if you're using the iter values a lot
Two or three "i"s is readable, but any more and you're counting.
I'Ve started using i, k, m, n that's usually enough.
87 comments