|
发表于 2023-2-11 22:57:36
|
显示全部楼层
本楼为最佳答案
本帖最后由 jackz007 于 2023-2-12 00:42 编辑
核心要点是,必须使用双层嵌套循环
- b = 1
- while b < 10:
- a = 1
- while a < b + 1:
- print('%dx%d=%2d' % (a , b , a * b) , end = ' ')
- a +=1
- print()
- b += 1
复制代码
如果改用 for 循环,代码会更加简洁
- for b in range(1 , 10):
- for a in range(1 , b + 1):
- print('%dx%d=%2d' % (a , b , a * b) , end = ' ')
- print()
复制代码
运行实况
- D:\[00.Exercise]\[Python]>python x.py
- 1x1= 1
- 1x2= 2 2x2= 4
- 1x3= 3 2x3= 6 3x3= 9
- 1x4= 4 2x4= 8 3x4=12 4x4=16
- 1x5= 5 2x5=10 3x5=15 4x5=20 5x5=25
- 1x6= 6 2x6=12 3x6=18 4x6=24 5x6=30 6x6=36
- 1x7= 7 2x7=14 3x7=21 4x7=28 5x7=35 6x7=42 7x7=49
- 1x8= 8 2x8=16 3x8=24 4x8=32 5x8=40 6x8=48 7x8=56 8x8=64
- 1x9= 9 2x9=18 3x9=27 4x9=36 5x9=45 6x9=54 7x9=63 8x9=72 9x9=81
- D:\[00.Exercise]\[Python]>
复制代码 |
|