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#!/usr/bin/env python
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# -*- coding:UTF-8 -*-
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for i in range(1,10):
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for j in range(i+1):
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result = i * j
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print j, 'x', i, '=', j*i ,'\t',
- print ''
i取值范围为1, 2, 3, 4, 5, 6, 7, 8, 9
j取值范围为1, 2, ..., i
最后的逗号都是用来取消自动换行的