참고https://pandas.pydata.org/docs/reference/api/pandas.concat.html pandas.concat — pandas 2.2.3 documentationIf True, do not use the index values along the concatenation axis. The resulting axis will be labeled 0, …, n - 1. This is useful if you are concatenating objects where the concatenation axis does not have meaningful indexing information. Note the indexpandas.pydata.org 1. concat: 단순 연결2. ..
