parameters: (self, target)
return_statement: return target in self._param_def_block[-1]
docstring: Checks if a given target is an undeclared parameter.
docstring_summary: Checks if a given target is an undeclared parameter.
docstring_tokens: Checks if a given target is an undeclared parameter .
function: def parameter_is_undeclared(self, target):
          """Checks if a given target is an undeclared parameter."""
          if not self._param_def_block:
              return False
          return target in self._param_def_block[-1]
function_tokens: def parameter_is_undeclared ( self , target ) : if not self . _param_def_block : return False return target in self . _param_def_block [ - 1 ]