// Example program
#include <iostream>
#include<vector>
#include<stack>
using namespace std;

vector<int>a;
void readCase(){
    int n;
    cin>>n;
    a.resize(n+1,0);
    for(int i =1;i<a.size();i++){
          cin>>a[i];
    }
}

void returnCase(){
    for(int i=1;i<a.size();i++){
        cout<<" "<<a[i];
    }
    cout<<endl;
}



int main(){
    int t;
    cin>>t;
    while(t--){
       readCase();
       returnCase();
    }
return 0;
}