--- title: Index of max element tags: math,list cover: dark-cloud firstSeen: 2019-10-31T09:42:21+02:00 lastUpdated: 2020-11-02T19:28:27+02:00 --- Returns the index of the element with the maximum value in a list. - Use `max()` and `list.index()` to get the maximum value in the list and return its index. ```py def max_element_index(arr): return arr.index(max(arr)) ``` ```py max_element_index([5, 8, 9, 7, 10, 3, 0]) # 4 ```