def get_sheet_by_index_or_name(workbook: xlrd.Book, sheet_name_or_index):
     if type(sheet_name_or_index) == int:
         sheet = workbook.sheet_by_index(sheet_name_or_index)
     else:
         sheet = workbook.sheet_by_name(sheet_name_or_index)
     return sheet
 def get_sheet_by_index(workbook: xlrd.Book, sheet_index: int):
     return workbook.sheet_by_index(sheet_index)