[Solved] patterns in python-complex
You can use the following code: def upanddown(n): return range(1, n) + range(n, 0, -1) def triangle(rows): for num in xrange(1, rows + 1): print ‘ ‘.join(map(str, upanddown(num))).center(rows * 4 – 3) rows = input(“Number of rows: “) triangle(rows) Output: Number of rows: 4 1 1 2 1 1 2 3 2 1 1 2 … Read more