{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":4,"n_cols":5,"rows_kept":4}
["입력","입력","입력","입력","입력"]
["창고아이디","품번","재고년월","현재고량","현재고금액"]
[4100000,1111,202201,11,110]
[4100000,2222,202201,21,210]