Not able to get passed Prevent Object Mutation

JavaScript
1 
function freezeObj() {
  'use strict';
  const MATH_CONSTANTS = {
    PI: 3.14
  };
  // Only change code below this line

object.freeze(MATH_CONSTANTS);

  // Only change code above this line
  try {
    MATH_CONSTANTS.PI = 99;
  } catch(ex) {
    console.log(ex);
  }
  return MATH_CONSTANTS.PI;
}
const PI = freezeObj();
console.log(PI)

its not letting me move on?

3

it wouldn’t let me create another post

5

Thank you I got it now