code: def unique(values):
      '''
      Removes duplicates from a list.
  
      .. code-block:: jinja
  
          {% set my_list = ['a', 'b', 'c', 'a', 'b'] -%}
          {{ my_list | unique }}
  
      will be rendered as:
  
      .. code-block:: text
  
          ['a', 'b', 'c']
      '''
      ret = None
      if isinstance(values, collections.Hashable):
          ret = set(values)
      else:
          ret = []
          for value in values:
              if value not in ret:
                  ret.append(value)
      return ref unique(values):
      '''
      Removes duplicates from a list.
  
      .. code-block:: jinja
  
          {% set my_list = ['a', 'b', 'c', 'a', 'b'] -%}
          {{ my_list | unique }}
  
      will be rendered as:
  
      .. code-block:: text
  
          ['a', 'b', 'c']
      '''
      ret = None
      if isinstance(values, collections.Hashable):
          ret = set(values)
      else:
          ret = []
          for value in values:
              if value not in ret:
                  ret.append(value)
      return ret
docs: Removes duplicates from a list.
  
      .. code-block:: jinja
  
          {% set my_list = ['a', 'b', 'c', 'a', 'b'] -%}
          {{ my_list | unique }}
  
      will be rendered as:
  
      .. code-block:: text
  
          ['a', 'b', 'c']