{"text_format":"1","workbook":"xlsx","n_sheets":3,"sheets":["Example1","Example2","Example 3"],"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":"Example1","index":0,"n_rows":19,"n_cols":8,"rows_kept":19,"cut":false,"hidden":false,"merged":[[1,1,1,2]]}
[]
[null,"Find Valid or Invalid Date"]
[]
[null,"Date","Valid/Invalid Date"]
[null,"2022-01-01","Valid Date"]
[null,"2001-12-13","Valid Date"]
[null,"22-22-2021","Invalid Date"]
[null,"Hello","Invalid Date"]
[null,"12-13-2022","Valid Date"]
[null,"1.2.2024","Invalid Date"]
[null,"August, 21","Valid Date"]
[null,"2022-02-01","Valid Date"]
[null,"2022-02-02","Valid Date"]
[null,"2022-12-09T17:56:40","Valid Date"]
[null,"2022-12-22","Valid Date"]
[null,"2021-03-01","Valid Date"]
[]
[]
[null,null,null,null,null,null,null,"E"]

{"sheet":"Example2","index":1,"n_rows":13,"n_cols":5,"rows_kept":13,"cut":false,"hidden":false,"merged":[[1,1,1,4],[12,1,12,2]]}
[]
[null,"Calculate Overdue Days for Valid Dates"]
[]
[null,"Name","Subject","Submission Date","Overdue"]
[null,"Karen","Physics","2022-01-10"]
[null,"Susan","Chemistry","11.01.2022"]
[null,"John","Math","2022-01-20"]
[null,"Stacy","Database","2022-01-03"]
[null,"Phillips","Literature","2022-01-11"]
[null,"Max","Math","2022-01-15"]
[null,"Elizabeth","Biology","December"]
[]
[null,"Last Date of Submission",null,"2022-01-11"]

{"sheet":"Example 3","index":2,"n_rows":11,"n_cols":4,"rows_kept":11,"cut":false,"hidden":false,"merged":[[1,1,1,3]]}
[]
[null,"Add Days in a Date"]
[]
[null,"Name","Date","New Date"]
[null,"Karen","2022-01-10","2022-01-15"]
[null,"Susan","13-22-2022","Not a Valid Date"]
[null,"John","2022-01-20","2022-01-25"]
[null,"Stacy","2022-01-03","2022-01-08"]
[null,"Phillips","2.09.2022","Not a Valid Date"]
[null,"Max","2022-01-15","2022-01-20"]
[null,"Elizabeth","November 31, 2022","Not a Valid Date"]