jquery change max value of input based in another input code example

Example 1: javascript change hidden input value

document.getElementById("myHiddenInputID").value = "MyNewValue";

Example 2: how to input a full array in one input in python

n = int(input())
arr = input()   # takes the whole line of n numbers
l = list(map(int,arr.split(' '))) # split those numbers with space( becomes ['2','3','6','6','5']) and then map every element into int (becomes [2,3,6,6,5])