input: def removeDuplicates(input):
      """ Removes duplicate entries from a given list. 
      >>> removeDuplicates([1,2,2,3,3,4])
      [1,2,3,4]
      """
      final_list = []
      for num in input:
          if num not in final_list:
              final_list.append(num)
      return final_list
output:     final_list = []
      for num in input:
          if num not in final_list:
              final_list.append(num)
      return final_list