TypeError: first argument must be an iterable of pandas objects, you passed an object of type "DataFrame" pd.concat(data1, data2) TypeError: first argument must be an iterable of pandas objects, you passed an object of type "DataFrame" 해결 -> 데이터를 리스트 안에 넣어주기! pd.concat([data1, data2]) 데이터 분석/[Python] Troubleshooting 2021.09.23