I generally agree, but I think ii, jj, kk are fine for those iterator ints in loops, or the throwaway var in a list comprehension in Python. The only other sit

I generally agree, but I think ii, jj, kk are fine for those iterator ints in loops, or the throwaway var in a list comprehension in Python. The only other situation single-letter variable names make any sense is if you have a short function that implements a mathematical formula, like distance or something.