#include <iostream>

// this is good practice
#include "StringUtils.h"

// becasuse we will remove it from the .h file
using namespace std;

// notice this matches the function prototype just like before
string StripString(string line) {
    size_t i;
    string rv;

    for(i=0;i<line.size();i++) {
       if (isalpha(line[i])) {
          rv += line[i];
       }
    }

    return rv;
}