Numpy equivalent of list.index

Question

In a low-level function that is called many times, I need to do the equivalent of python\'s list.index, but with a numpy array. The function needs to return when it finds the f

Answer 1

The only time I've had this problem, it was sufficient to cast the numpy array as a list:

a = numpy.arange(3)
print(list(a).index(2))

>>> 2