parameters: (self, name=None)
docstring: Get the previous sibling in the children list of the parent node.
  
          If a name is provided, the previous sibling with the given name is
          returned.
docstring_summary: Get the previous sibling in the children list of the parent node.
docstring_tokens: Get the previous sibling in the children list of the parent node .
function: def previous_sibling(self, name=None):
          """Get the previous sibling in the children list of the parent node.
  
          If a name is provided, the previous sibling with the given name is
          returned.
  
          """
          if name is None:
              return XMLElement(lib.lsl_previous_sibling(self.e))
          else:
              return XMLElement(lib.lsl_previous_sibling_n(self.e,
                                                           str.encode(name)))
function_tokens: def previous_sibling ( self , name = None ) : if name is None : return XMLElement ( lib . lsl_previous_sibling ( self . e ) ) else : return XMLElement ( lib . lsl_previous_sibling_n ( self . e , str . encode ( name ) ) )