Hi,
I am new to python and have made a couple of definitions. I imported them and they worked ok. I they worked except for one which gave me the error "NameError: global name 'np' is not defined". I then edited my script for the def to include "import numpy as np" saved it and imported the def again. However, it still gives me the same error. I know I have to be doing something basic wrong but cant figure it out, anyone know what I am doing wrong. The def is below.
thanks
D

import numpy as np

def find_nearest(array,value):
    idx=(np.abs(array-value)).argmin()
    return array[idx]
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