My point is, if you had to pull `0` in that `for` loop into a variable, would you call it `zero` or `first_index` (or something else actually relevant to the lo

My point is, if you had to pull `0` in that `for` loop into a variable, would you call it `zero` or `first_index` (or something else actually relevant to the loop)? I'd certainly prefer something relevant to the loop rather than `zero`.