xlwings 将一个工作表的全部内容复制到另一个工作表
https://github.com/xlwings/xlwings/pull/1216/files
https://cloud.tencent.com/developer/ask/sof/868793/answer/1246788
source_sheet.range.copy(destination_sheet.range)
wb.sheets['Sheet1'].range('A1:A6').copy(wb.sheets['Sheet2'].range('A1:A6'))
xlwings 获取工作表的全部内容及行列数
https://github.com/festina-lente-z/xlwings-demo
https://blog.csdn.net/qq_31989047/article/details/103318044
sht.used_range.last_cell.row/column