function isObject(obj) {
  return obj === Object(obj);
}

function formatData(obj, indents) {
  const objEntries = Object.entries(obj);
  for (var i = 0; i < objEntries.length; i++) {
    const key = objEntries[i][objEntries[i].length - 2];
    const value = objEntries[i][objEntries[i].length - 1];

    if (!isObject(value)) {
      console.log("\t".repeat(indents) + key + ": " + value)
      if (i === objEntries.length - 1) {
        console.log("-".repeat(50));
      }
    } else {
      console.log("\t".repeat(indents) + key + ":");
      formatData(value, (indents + 1));
    }
  }
}


function printDetails(obj) {
  formatData(obj, 0);
}