سلسلةПривет! Подскажите, пожалуйста, почему тут i итерируется дважды а не трижды?

Language: py3 Source: print(range.__doc__) Result: range(stop) -> range object range(start, stop[, step]) -> range object Return an object that produces a sequence of integers from start (inclusive) to stop (exclusive) by step. range(i, j) produces i, i+1, i+2, ..., j-1. start defaults to 0, and stop is omitted! range(4) produces 0, 1, 2, 3. These are exactly the valid indices for a list of 4 elements. When step is given, it specifies the increment (or decrement).