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Python how to return max num index

Python index of max value in list

# any list
a = [1, 7, 3, 12, 5]

# index of minimum element
# if more than 1 minimum, 
# first index is returned
min_index = a.index(min(a))

# index of maximum element
max_index = a.index(max(a))

Python how to return max num index

import numpy as np

x=[1,2,3,4,5]

max_index=np.argmax(x) 
# return the index of the maximun element
# max_index has the value 4

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