/*
Solution By - Amrutansu Garanaik
Codechef ID - dragonemperor
*/
#include<stdio.h>
#define MOD 1000000007
int main()
{
int test;
long long result,n,number;
scanf("%d",&test);
while(test--)
{
scanf("%lld",&n);
result=1;
while(n--)
{
scanf("%lld",&number);
number = number % MOD;
result=result*number;
result=result%MOD;
}
printf("%lld\n",result);
}
return 0;
}
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