parameters: (self, element)
docstring: Report whether an element is a member of a set.
  
          (Called in response to the expression `element in self'.)
docstring_summary: Report whether an element is a member of a set.
docstring_tokens: Report whether an element is a member of a set .
function: def __contains__(self, element):
          """Report whether an element is a member of a set.
  
          (Called in response to the expression `element in self'.)
          """
          try:
              return element in self._data
          except TypeError:
              transform = getattr(element, "__as_temporarily_immutable__", None)
              if transform is None:
                  raise # re-raise the TypeError exception we caught
              return transform() in self._data
function_tokens: def __contains__ ( self , element ) : try : return element in self . _data except TypeError : transform = getattr ( element , "__as_temporarily_immutable__" , None ) if transform is None : raise # re-raise the TypeError exception we caught return transform ( ) in self . _data