[代码笔记] python之 玩玩 while 我的九九归一

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num1=1num2=1while num1<=9:    line=''    while num2<=num1:        line+=str(num2)+" X "+str(num1)+" = "+str(num1*num2)+'\t'        num2+=1    print(line);    num1+=1;    num2=1

打印如下:

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

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