func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t = 0;     scanf( %d , &t);     for (int qwe = 0; qwe < t; qwe++) {       long long r = 0, l = 0, y = 0;       scanf( %lld%lld , &l, &r);       printf( %lld %lld n , l, l * 2);     }     return 0;   }   