java
import java.util.*;
public class Main{
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
for(int i = 0;i < n;i++){
int nums = sc.nextInt();
int sum = 0;
for(int j = 0;j<nums;j++){
int a = sc.nextInt();
sum+=a;
}
System.out.println(sum);
}
}
} 
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