input: Write a function that removes all duplicates from a given list of numbers. The function should return a new list with only unique elements in their original order.
  
  def deleteDuplicates(list): 
      final_list = [] 
      for num in list: 
          if num not in final_list: 
              final_list.append(num) 
      return final_list
  
  assert deleteDuplicates([1, 2, 2, 3, 4, 4, 5]) == [1, 2, 3, 4, 5]
  assert deleteDuplicates([5, 5, 5, 5]) == [5]
  assert deleteDuplicates([]) == []
  assert deleteDuplicates([1, 2, 3, 4, 5]) == [1, 2, 3, 4, 5]
  assert deleteDuplicates([3, 2, 1, 2, 3]) == [3, 2, 1]
output: def deleteDuplicates(list): 
      final_list = [] 
      for num in list: 
          if num not in final_list: 
              final_list.append(num) 
      return final_list