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