#include <iostream>
#include <string>
#include <array>
using namespace std;
std::array<std::string, 4> lookup_str = {"test Str0", "test Str1", "test Str2", "test Str3"};
int main() {
std::cout << lookup_str[2] << std::endl;
// your code goes here
return 0;
}
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