text: let countBs = ({ str1: strlen, str2: compareStr }) => {
    let count = 0;
    for (let string of strlen) {
      if (string === compareStr) {
        count += 1;
      }
    }
    return count;
  };
  
  let getStringLowerCase = (str1, str2) => {
    let str = {
      str1: str1.toLowerCase(),
      str2: str2.toLowerCase(),
    };
    return countBs(str);
  };
  // console.log(getStringLowerCase('kakakakkakajjj', 'K'));
  
  module.exports = getStringLowerCase;
  