#include <iostream>
#include <string>
using namespace std;
template<typename T>
void swapValues(T &value,T &value2) {
    T swap=value;
    value=value2;
    value2=swap;
}
int main() {
	int a=5,b=10;
    swapValues(a,b);
    cout<<a<<" "<<b<<endl;
    double c=4.23,d=5.81;
    swapValues(c,d);
    cout<<c<<" "<<d<<endl;
    char s='A',f='R';
    swapValues(s,f);
    cout<<s<<" "<<f<<endl;
    string str1="hello",str2="world";
    swapValues(str1,str2);
    cout<<str1<<" "<<str2;
	return 0;
}

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