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np.arange以步长为0.1的时候输出的怎么会有不对的？

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血乀落

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for i in np.arange(1, 5, .1): print(i)

输出： 1.0 1.1 1.2000000000000002 1.3000000000000003 1.4000000000000004 1.5000000000000004 1.6000000000000005 1.7000000000000006 1.8000000000000007 1.9000000000000008

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