Replacing last element of an Array

Replace the last element of the given array with the given second parameter. Return an updated array.

Sample Code:

function replaceEle(arr,inp) {
// Enter your logic here...
}

Examples:

Input: [1,2,3],[3.1]
Output: [1,2,[3.1]]
Explanation: The last element 3 has been replaced by [3.1].

Input: ['c','o','d','?'],'e'
Output: ['c','o','d','e']
Explanation: The last element '?' has been replaced by 'e'.

Test Case	Input	Expected Output
Test Case 1	[1,2,3],[3.1]	[1,2,[3.1]]
Test Case 2	['c','o','d','?'],'e'	['c','o','d','e']

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