max list value code example
Example 1: max of list with index
a.index(max(a))
Example 2: find location of max value in python list
>>> m = max(a)
>>> [i for i, j in enumerate(a) if j == m]
[9, 12]
a.index(max(a))
>>> m = max(a)
>>> [i for i, j in enumerate(a) if j == m]
[9, 12]