text: // 1
  const challenge = '30 Days Of JavaScript';
  
  // 2
  console.log('String:', challenge);
  
  // 3
  console.log('Length:', challenge.length);
  
  // 4
  console.log('Uppercase:', challenge.toUpperCase());
  
  // 5
  console.log('Lowercase:', challenge.toLowerCase());
  
  // 6
  console.log('Without first word (substr):', challenge.substr(3));
  console.log('Without first word (substring):', challenge.substring(3));
  
  // 7
  console.log('First word (substr):', challenge.substr(0, 2));
  console.log('First word (substring):', challenge.substring(0, 2));
  
  // 8
  const phrase =
    'You cannot end a sentence with because because because is a conjunction';
  console.log('Part of phrase:', phrase.substr(31, 23));
  
  // 9
  console.log('Check for Script:', challenge.includes('Script'));
  
  // 10
  console.log('Characters:', challenge.split(''));
  
  // 11
  console.log('Characters:', challenge.split(' '));
  
  // 12
  const companies = 'Facebook, Google, Microsoft, Apple, IBM, Oracle, Amazon';
  console.log('Companies:', companies.split(', '));
  
  // 13
  console.log('JS to Python:', challenge.replace('JavaScript', 'Python'));
  