[Python] How do I declare a numpy array to be 1 dimensional of arbitrary length?

I am working on a python code base and the team has decided to make everything statically typed. I want to declare a numpy array of floats to be one dimension, with arbitrary length. I currently have the following:

float64 = np.dtype[np.float64]
floats = np.ndarray[Any, float64]


What exactly is the role of Any in this case? Does this declaration permit multi-dimensional arrays? How do I statically differentiate between 1, 2, or 3 dimensional arrays?

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