text: import { NotImplementedError } from '../extensions/index.js';
  
  /**
   * Given matrix where you have to find cats by ears "^^"
   *
   * @param {Array<Array>} matrix 
   * @return {Number} count of cats found
   *
   * @example
   * countCats([
   *  [0, 1, '^^'],
   *  [0, '^^', 2],
   *  ['^^', 1, 2]
   * ]) => 3`
   *
   */
  export default function countCats( matrix) {
    let count = 0;
  
    for(let i = 0; i<matrix.length; i++){
      for(let k = 0; k< matrix[i].length; k++){
        if(matrix[i][k] == '^^'){
          count++
        }
      }
    }
    return count
  }
  