parameters: (self, etag)
return_statement: return etag in self._strong
docstring: Check if an etag is part of the set ignoring weak tags.
          It is also possible to use the ``in`` operator.
docstring_summary: Check if an etag is part of the set ignoring weak tags.
          It is also possible to use the ``in`` operator.
docstring_tokens: Check if an etag is part of the set ignoring weak tags . It is also possible to use the in operator .
function: def contains(self, etag):
          """Check if an etag is part of the set ignoring weak tags.
          It is also possible to use the ``in`` operator.
  
          """
          if self.star_tag:
              return True
          return etag in self._strong
function_tokens: def contains ( self , etag ) : if self . star_tag : return True return etag in self . _strong