writer.writerows(list(new)) TypeError: 'float' object is not iterable

这个错误是由于在调用`writer.writerows(list(new))`时，`new`对象是一个浮点数，而浮点数是不可迭代的，所以会导致`TypeError: 'float' object is not iterable`错误。\[3\]

要解决这个问题，你需要确保`new`对象是一个可迭代的对象，例如一个列表或元组。你可以将浮点数包装在一个列表中，然后传递给`writer.writerows()`函数，如下所示：

writer.writerows(\[new\])

这样就可以避免`TypeError`错误。
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