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The author updated the article: > EDIT: Specifically, Python wraps negative indices that are smaller than the length of the array. (But that's not quite corre

by jwilk 8y ago

The author updated the article: > EDIT: Specifically, Python wraps negative indices that are smaller than the length of the array. (But that's not quite correct either. 3 is not smaller than the length of a, but a[-3] worked.)