# 制作九九乘法表 i = 1 while i <= 9: # 定义一个列计数器 col = 1 # 开始循环 while col <= i: # print("%d" % i, end="") print("%d * %d = %d" % (col, i, col*i), end="\t") col += 1 # 这行代码的目的,就是在一行星星输出完成以后,添加换行! print("") i += 1 # 打印输出效果 """ 1 * 1 = 1 1 * 2 = 2 2 * 2 = 4 1 * 3 = 3 2 * 3 = 6 3 * 3 = 9 1 * 4 = 4 2 * 4 = 8 3 * 4 = 12 4 * 4 = 16 1 * 5 = 5 2 * 5 = 10 3 * 5 = 15 4 * 5 = 20 5 * 5 = 25 1 * 6 = 6 2 * 6 = 12 3 * 6 = 18 4 * 6 = 24 5 * 6 = 30 6 * 6 = 36 1 * 7 = 7 2 * 7 = 14 3 * 7 = 21 4 * 7 = 28 5 * 7 = 35 6 * 7 = 42 7 * 7 = 49 1 * 8 = 8 2 * 8 = 16 3 * 8 = 24 4 * 8 = 32 5 * 8 = 40 6 * 8 = 48 7 * 8 = 56 8 * 8 = 64 1 * 9 = 9 2 * 9 = 18 3 * 9 = 27 4 * 9 = 36 5 * 9 = 45 6 * 9 = 54 7 * 9 = 63 8 * 9 = 72 9 * 9 = 81 """ # 拓展知识 - 字符串中的转义字符 """ \t 在控制台输出一个制表符,协助在输出文本时 垂直方向 保持对齐 \n 换行符 \\ 反斜杠符号 \' 单引号 \" 双引号 \r 回车 """