{"text_format":"1","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":6,"n_cols":5,"rows_kept":6,"cut":false,"hidden":false,"merged":[[0,1,1,1],[0,2,1,2],[0,3,0,4]]}
[null,"회사명","주식번호","매출액(연간)"]
[null,null,null,2019,2020]
[null,"삼성전자","005930",2304009,2368070]
[null,"현대차","005830",186761,201106]
[null,"sk하이닉스","000660",269907,319004]
[null,"카카오","035720",30701,41568]