#include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       int a[n];       for (int i = 1; i <= n; i++) cin >> a[i];       for (int i = n; i >= 1; i--) cout << a[i] <<    ;       cout << endl;     }   }   