parameters: (self)
return_statement: return node_is_literal(self.node)
docstring: Return whether this value is a literal (i.e. not a URI).
docstring_summary: Return whether this value is a literal (i.e. not a URI).
docstring_tokens: Return whether this value is a literal ( i . e . not a URI ) .
function: def is_literal(self):
          """Return whether this value is a literal (i.e. not a URI)."""
          return node_is_literal(self.node)
function_tokens: def is_literal ( self ) : return node_is_literal ( self . node )