{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"not_rendered":{"macros":1},"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":5,"n_cols":2,"rows_kept":5}
[]
["한글을 입력하세요","엑셀하루에하나씩"]
[]
["나눈값",{"$f":"fnName(B2)","v":"ㅇㅔㄱㅅㅔㄹㅎㅏㄹㅜㅇㅔㅎㅏㄴㅏㅆㅣㄱ"}]
["합친값",{"$f":"PlusKorean(B4)","v":"엑셀하루에하나씩"}]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}