I want to find the index of the maximum/minimum elements in a list or Numpy array. What function should I use? I do not want to use loop to find min and max.

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Numpy's **where()** function can be used to find the index of the maximum or minimum element in a list or NumPy array.

Here is an example:

>>> import numpy as np

>>> x=np.array([12,14,6,18,20,2])

>>> np.where(x == np.max(x))[0] #for max

array([4])

>>> np.where(x == np.min(x))[0] #for min

array([5])