parameters: (self, extra=())
return_statement: return (i.declared | i.outer_undeclared) & \
                 (i.declared_locally | i.declared_parameter) | \
                 set(x for x in extra if i.is_declared(x))
docstring: Find all the shadowed names.  extra is an iterable of variables
          that may be defined with `add_special` which may occour scoped.
docstring_summary: Find all the shadowed names.  extra is an iterable of variables
          that may be defined with `add_special` which may occour scoped.
docstring_tokens: Find all the shadowed names . extra is an iterable of variables that may be defined with add_special which may occour scoped .
function: def find_shadowed(self, extra=()):
          """Find all the shadowed names.  extra is an iterable of variables
          that may be defined with `add_special` which may occour scoped.
          """
          i = self.identifiers
          return (i.declared | i.outer_undeclared) & \
                 (i.declared_locally | i.declared_parameter) | \
                 set(x for x in extra if i.is_declared(x))
function_tokens: def find_shadowed ( self , extra = ( ) ) : i = self . identifiers return ( i . declared | i . outer_undeclared ) & ( i . declared_locally | i . declared_parameter ) | set ( x for x in extra if i . is_declared ( x ) )