Given an integer n, return the n rows of a number triangle — row i counts from 1 up to i, space-separated. This is the Right Half Pyramid's shape, filled with counting numbers instead of stars. The nested loopsNested LoopsAn outer loop over rows, an inner loop counting from 1 to i and appending each number. version builds each row number by number. The range + joinRange + JoinGenerating the range 1 to i directly, then joining it with spaces — no manual index or space bookkeeping. version describes the same row as a single range-and-join expression.