#include <iostream>
#include <string>
#include <cctype>
using std::cout;
using std::endl;
using std::string;
int main()
{
string s1("Hi I'm ....Greg.");
cout << s1 << endl;
for(char &c : s1){
if(ispunct(c)){
c = '\0';
}
}
cout << s1 << endl;
return 0;
}
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