Question: Determine what the following function of c++ does: bool mystery(string fstr) { string rstr=; for (int i=fstr.length()-1; i>=0 ;i--) rstr += fstr[i]; return rstr ==

Determine what the following function of c++ does:

bool mystery(string fstr) {

string rstr=;

for (int i=fstr.length()-1; i>=0 ;i--)

rstr += fstr[i];

return rstr == fstr;

}

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