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import numpy as np
import pandas as pd
# Create a 2D numpy array
numpy_array = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
# Convert numpy array to pandas series of lists
series_of_lists = pd.Series([row.tolist() for row in numpy_array])
print(series_of_lists)
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a = np.array(s.values.tolist())
print (a)
[[ 0. 0.]
[ 0. 0.]
[ 0. 0.]
[ 0. 0.]
[ 0. 0.]]