#include <iostream>
using namespace std;
int main() {
int tubes = 24;
double weight = 0.152;
char nucleotide = 'A';
bool passed = true;
cout << "tubes: " << tubes << endl;
cout << "weight: " << weight << endl;
cout << "nucleotide: " << nucleotide << endl;
cout << "passed: " << passed << endl;
return 0;
}
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