_            _             
   __ _ _ __ ___ | | __   __ _| | __ _  ___  
  / _` | '__/ _ \| |/ /  / _` | |/ _` |/ _ \ 
 | (_| | | | (_) |   <  | (_| | | (_| | (_) |
  \__, |_|  \___/|_|\_\  \__,_|_|\__, |\___/ 
  |___/                          |___/            

• Todo List
• Book Link: grokking-algorithms