如何倒序输出九九乘法表python编程代码？

本文将介绍倒序输出九九乘法表python编程代码，希望对大家有帮助。

# ##1、正三角

for y in range(1,10): ##从1到9共循环9次，1次就控制1行

for x in range(1,y+1): ###控制当前公式的计算和打印次数

print("%d x %d = %d"%(x,y,x*y),end=" ") ##公式和公式之间 空格，但是不换行

print() ##一行结束，默认print()换行

##2、倒三角

for y in range(-9,0): ##从-9到-1共循环9次，1次控制1行

for x in range(1,-y+1): ###控制当前公式的计算和打印次数

print("%d x %d = %d"%(x,-y,x*(-y)),end=" ") ##公式和公式之间 空格，但是不换行

print() ##一行结束，默认print()换行

运行结果：

1、正三角

1 x 1 = 1

1 x 2 = 2 2 x 2 = 4

1 x 3 = 3 2 x 3 = 6 3 x 3 = 9

1 x 4 = 4 2 x 4 = 8 3 x 4 = 12 4 x 4 = 16

1 x 5 = 5 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20 5 x 5 = 25

1 x 6 = 6 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24 5 x 6 = 30 6 x 6 = 36

1 x 7 = 7 2 x 7 = 14 3 x 7 = 21 4 x 7 = 28 5 x 7 = 35 6 x 7 = 42 7 x 7 = 49

1 x 8 = 8 2 x 8 = 16 3 x 8 = 24 4 x 8 = 32 5 x 8 = 40 6 x 8 = 48 7 x 8 = 56 8 x 8 = 64

1 x 9 = 9 2 x 9 = 18 3 x 9 = 27 4 x 9 = 36 5 x 9 = 45 6 x 9 = 54 7 x 9 = 63 8 x 9 = 72 9 x 9 = 81

2、倒三角

1 x 9 = 9 2 x 9 = 18 3 x 9 = 27 4 x 9 = 36 5 x 9 = 45 6 x 9 = 54 7 x 9 = 63 8 x 9 = 72 9 x 9 = 81

1 x 8 = 8 2 x 8 = 16 3 x 8 = 24 4 x 8 = 32 5 x 8 = 40 6 x 8 = 48 7 x 8 = 56 8 x 8 = 64

1 x 7 = 7 2 x 7 = 14 3 x 7 = 21 4 x 7 = 28 5 x 7 = 35 6 x 7 = 42 7 x 7 = 49

1 x 6 = 6 2 x 6 = 12 3 x 6 = 18 4 x 6 = 24 5 x 6 = 30 6 x 6 = 36

1 x 5 = 5 2 x 5 = 10 3 x 5 = 15 4 x 5 = 20 5 x 5 = 25

1 x 4 = 4 2 x 4 = 8 3 x 4 = 12 4 x 4 = 16

1 x 3 = 3 2 x 3 = 6 3 x 3 = 9

1 x 2 = 2 2 x 2 = 4

1 x 1 = 1

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