new_contents: '''
  In this module, we implement quicksort
  Time complexity (average case) : O(n * log n)
  Time complexity (worse case) : O(n ^ 2)
  
  '''
  
  
  def quicksort(arr, left, right):
      '''
      Sort array using  quicksort
      
      '''
      pass
      
  
  def partition(arr, left, right):
      pass
  
subject: Create quicksort.py