怎样把循环的结果,逐个保存到列表里?

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我想做得效果是:

107.225
['107.225']
107.233
['107.225','107.233']
107.21
['107.225','107.233','107.21']
107.189
['107.225','107.233','107.21','107.189']

把b=[ ]移动到while前边,试试。