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你可以用
zip
迭代两个列表。
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下面的代码将实现这一点。
data = [30.5, 31.01, 30.4, 30.01, 29.5, 29.6, 29.63, 30.5, 30.33, 30.2]
print([y-x for x,y in zip(data, data[1:])])
[0.5100000000000016, -0.610000000000003, -0.389999999999997, -0.5100000000000016, 0.10000000000000142, 0.029999999999997584, 0.870000000000001, -0.1700000000000017, -0.129999999999999]