function fromJSONToHTMLTable(json) {
     const students = JSON.parse(json);

     const result = ['<table>'];
     result.push(addKey(students));
     students.forEach((student) => {
         result.push(addValue(student));
     });
     result.push('</table>');

     console.log(result.join('\n'));

     function addKey(arr) {
         let result = '  <tr>';

         Object.keys(arr[0]).forEach((key) => {
             result += `<th>${escapeString(key)}</th>`;
         });
         result += '</tr>';

         return result;
     }

     function addValue(obj) {
         let result = '  <tr>';
         Object.values(obj).forEach((value) => {
             result += `<td>${escapeString(value)}</td>`;
         });
         result += '</tr>';

         return result;
     }

     function escapeString(key) {
         let entityMap = {
             '&': '&amp;',
             '<': '&lt;',
             '>': '&gt;',
             '"': '&quot;',
             ' ': '&nbsp;',
         };
         return key.toString().replace(/[&<> "]/g, (key) => entityMap[key]);
     }
 }