摘要: 老实本分的方法: def main(): num = int(input('Number of rows: ')) yh = [[]] * num for row in range(len(yh)): yh[row] = [None] * (row + 1) for col in range(len 阅读全文
posted @ 2020-10-14 09:07 工程小白菜 阅读(207) 评论(0) 推荐(0) 编辑