text: import { NotImplementedError } from '../extensions/index.js';
  
  /**
   * Given some integer, find the maximal number you can obtain
   * by deleting exactly one digit of the given number.
   *
   * @param {Number} n
   * @return {Number}
   *
   * @example
   * For n = 152, the output should be 52
   *
   */
  export default function deleteDigit(n) {
    const str = n.toString();
    const arr = str.split('')
      .map((item) => Number(str.replace(item, '')));
    return Math.max(...arr);
  }
  