関連ワード:  python object of type function has no len ()    python typeerror object of type function has no len ()    python typeerror object of type method has no len ()    python object of type builtin_function_or_method has no len ()    python typeerror object of type builtin_function_or_method has no len ()    object of type 'function' has no len()  
結果 : python object of type function has no len ()