title: Find specific word in text file and count it
body: <p>someone can help me with code?
  How to search in text file any word and count how many it were repeated?</p>
  
  <p>For example test.txt:</p>
  
  <pre><code>hi
  hola
  hey
  hi
  bye
  hoola
  hi
  </code></pre>
  
  <p>And if I want to know how many times are repeated in test.txt word "Hi" program must say "3 times repeated"</p>
  
  <p>I hope you understood what I want, thank you for answers.</p>