parameters: (f)
docstring: Returns True if the argument is a built-in function.
docstring_summary: Returns True if the argument is a built-in function.
docstring_tokens: Returns True if the argument is a built - in function .
function: def isbuiltin(f):
    """Returns True if the argument is a built-in function."""
    if any(f is builtin for builtin in six.moves.builtins.__dict__.values()):
      return True
    elif isinstance(f, types.BuiltinFunctionType):
      return True
    elif inspect.isbuiltin(f):
      return True
    elif f is eval:
      return True
    else:
      return False
function_tokens: def isbuiltin ( f ) : if any ( f is builtin for builtin in six . moves . builtins . __dict__ . values ( ) ) : return True elif isinstance ( f , types . BuiltinFunctionType ) : return True elif inspect . isbuiltin ( f ) : return True elif f is eval : return True else : return False