input: def deleteDuplicates(list): 
      final_list = [] 
      for num in list: 
          if num not in final_list: 
              final_list.append(num) 
      return final_list
  
  """ 
  Removes all duplicates from a given list of numbers.
  
  >>> deleteDuplicates([1, 2, 2, 3, 4, 4, 5])
  [1, 2, 3, 4, 5]
  >>> deleteDuplicates([5, 5, 5, 5, 5])
  [5]
  >>> deleteDuplicates([])
  []
  """
output:     final_list = [] 
      for num in list: 
          if num not in final_list: 
              final_list.append(num) 
      return final_list