{"text_format":"1","workbook":"xlsx","n_sheets":2,"sheets":["DATABASE","TAHUN"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":1,"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":"DATABASE","index":0,"n_rows":15,"n_cols":4,"rows_kept":15,"cut":false,"hidden":false,"merged":[]}
["TAHUN","NAMA"]
[2010,"Haura"]
[2010,"Sony"]
[2010,"Ucok"]
[2010,"Tara"]
[2010,"Rafi"]
[2010,"Olga",null,"1. Sebelum disimpan cek terlebih dahulu data sudah ada apa belum pada salah satu baris dalam sheet DATABASE, jika sudah beri peringatan, kalo belum data disimpan"]
[2011,"Haura",null,"2. setelah proses simpan berhasil, data ingin diurutkan berdasarkan tahun (ascending)"]
[2011,"Olga"]
[2011,"Tara"]
[2010,"Joko"]
[2010,"Tyas"]
[2010,"Tony"]
[2010,"Tania"]
[2010,"Koko"]

{"sheet":"TAHUN","index":1,"n_rows":20,"n_cols":1,"rows_kept":20,"cut":false,"hidden":false,"merged":[]}
["TAHUN"]
[2010]
[2011]
[2012]
[2013]
[2014]
[2015]
[2016]
[2017]
[2018]
[2019]
[2020]
[2021]
[2022]
[2023]
[2024]
[2025]
[2026]
[2027]
[2028]